Micron Document
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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Erweitertes Periodensystem</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="float-right">
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<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LimeGreen;"><div style="position:absolute; top:0; left:0;"><a href="Wasserstoff" title="Wasserstoff"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 1: Wasserstoff (H), Nichtmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightskyBlue;"><div style="position:absolute; top:0; left:0;"><a href="Helium" title="Helium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 2: Helium (He), Edelgas">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td colspan="31">
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:OrangeRed;"><div style="position:absolute; top:0; left:0;"><a href="Lithium" title="Lithium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 3: Lithium (Li), Alkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkOrange;"><div style="position:absolute; top:0; left:0;"><a href="Beryllium" title="Beryllium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 4: Beryllium (Be), Erdalkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td colspan="25">
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Bor" title="Bor"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 5: Bor (B), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LimeGreen;"><div style="position:absolute; top:0; left:0;"><a href="Kohlenstoff" title="Kohlenstoff"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 6: Kohlenstoff (C), Nichtmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LimeGreen;"><div style="position:absolute; top:0; left:0;"><a href="Stickstoff" title="Stickstoff"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 7: Stickstoff (N), Nichtmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LimeGreen;"><div style="position:absolute; top:0; left:0;"><a href="Sauerstoff" title="Sauerstoff"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 8: Sauerstoff (O), Nichtmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Khaki;"><div style="position:absolute; top:0; left:0;"><a href="Fluor" title="Fluor"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 9: Fluor (F), Halogen">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightskyBlue;"><div style="position:absolute; top:0; left:0;"><a href="Neon" title="Neon"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 10: Neon (Ne), Edelgas">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:OrangeRed;"><div style="position:absolute; top:0; left:0;"><a href="Natrium" title="Natrium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 11: Natrium (Na), Alkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkOrange;"><div style="position:absolute; top:0; left:0;"><a href="Magnesium" title="Magnesium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 12: Magnesium (Mg), Erdalkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td colspan="25">
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Aluminium" title="Aluminium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 13: Aluminium (Al), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Silicium" title="Silicium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 14: Silicium (Si), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LimeGreen;"><div style="position:absolute; top:0; left:0;"><a href="Phosphor" title="Phosphor"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 15: Phosphor (P), Nichtmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LimeGreen;"><div style="position:absolute; top:0; left:0;"><a href="Schwefel" title="Schwefel"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 16: Schwefel (S), Nichtmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Khaki;"><div style="position:absolute; top:0; left:0;"><a href="Chlor" title="Chlor"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 17: Chlor (Cl), Halogen">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightskyBlue;"><div style="position:absolute; top:0; left:0;"><a href="Argon" title="Argon"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 18: Argon (Ar), Edelgas">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:OrangeRed;"><div style="position:absolute; top:0; left:0;"><a href="Kalium" title="Kalium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 19: Kalium (K), Alkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkOrange;"><div style="position:absolute; top:0; left:0;"><a href="Calcium" title="Calcium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 20: Calcium (Ca), Erdalkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Scandium" title="Scandium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 21: Scandium (Sc), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td colspan="15">
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Titan_(Element)" title="Titan (Element)"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 22: Titan (Ti), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Vanadium" title="Vanadium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 23: Vanadium (V), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Chrom" title="Chrom"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 24: Chrom (Cr), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Mangan" title="Mangan"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 25: Mangan (Mn), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Eisen" title="Eisen"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 26: Eisen (Fe), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Cobalt" title="Cobalt"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 27: Cobalt (Co), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Nickel" title="Nickel"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 28: Nickel (Ni), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Kupfer" title="Kupfer"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 29: Kupfer (Cu), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Zink" title="Zink"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 30: Zink (Zn), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Gallium" title="Gallium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 31: Gallium (Ga), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Germanium" title="Germanium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 32: Germanium (Ge), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Arsen" title="Arsen"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 33: Arsen (As), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Selen" title="Selen"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 34: Selen (Se), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Khaki;"><div style="position:absolute; top:0; left:0;"><a href="Brom" title="Brom"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 35: Brom (Br), Halogen">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightskyBlue;"><div style="position:absolute; top:0; left:0;"><a href="Krypton" title="Krypton"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 36: Krypton (Kr), Edelgas">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:OrangeRed;"><div style="position:absolute; top:0; left:0;"><a href="Rubidium" title="Rubidium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 37: Rubidium (Rb), Alkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkOrange;"><div style="position:absolute; top:0; left:0;"><a href="Strontium" title="Strontium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 38: Strontium (Sr), Erdalkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Yttrium" title="Yttrium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 39: Yttrium (Y), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td colspan="15">
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Zirconium" title="Zirconium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 40: Zirconium (Zr), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Niob" title="Niob"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 41: Niob (Nb), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Molybd%C3%A4n" title="Molybdän"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 42: Molybdän (Mo), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Technetium" title="Technetium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 43: Technetium (Tc), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Ruthenium" title="Ruthenium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 44: Ruthenium (Ru), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Rhodium" title="Rhodium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 45: Rhodium (Rh), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Palladium" title="Palladium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 46: Palladium (Pd), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Silber" title="Silber"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 47: Silber (Ag), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Cadmium" title="Cadmium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 48: Cadmium (Cd), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Indium" title="Indium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 49: Indium (In), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Zinn" title="Zinn"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 50: Zinn (Sn), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Antimon" title="Antimon"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 51: Antimon (Sb), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Peru;"><div style="position:absolute; top:0; left:0;"><a href="Tellur" title="Tellur"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 52: Tellur (Te), Halbmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Khaki;"><div style="position:absolute; top:0; left:0;"><a href="Iod" title="Iod"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 53: Iod (I), Halogen">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightskyBlue;"><div style="position:absolute; top:0; left:0;"><a href="Xenon" title="Xenon"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 54: Xenon (Xe), Edelgas">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:OrangeRed;"><div style="position:absolute; top:0; left:0;"><a href="Caesium" title="Caesium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 55: Caesium (Cs), Alkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkOrange;"><div style="position:absolute; top:0; left:0;"><a href="Barium" title="Barium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 56: Barium (Ba), Erdalkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Lanthan" title="Lanthan"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 57: Lanthan (La), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Cer" title="Cer"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 58: Cer (Ce), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Praseodym" title="Praseodym"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 59: Praseodym (Pr), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Neodym" title="Neodym"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 60: Neodym (Nd), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Promethium" title="Promethium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 61: Promethium (Pm), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Samarium" title="Samarium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 62: Samarium (Sm), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Europium" title="Europium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 63: Europium (Eu), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Gadolinium" title="Gadolinium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 64: Gadolinium (Gd), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Terbium" title="Terbium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 65: Terbium (Tb), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Dysprosium" title="Dysprosium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 66: Dysprosium (Dy), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Holmium" title="Holmium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 67: Holmium (Ho), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Erbium" title="Erbium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 68: Erbium (Er), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Thulium" title="Thulium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 69: Thulium (Tm), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Ytterbium" title="Ytterbium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 70: Ytterbium (Yb), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Plum;"><div style="position:absolute; top:0; left:0;"><a href="Lutetium" title="Lutetium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 71: Lutetium (Lu), Lanthanoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Hafnium" title="Hafnium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 72: Hafnium (Hf), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Tantal" title="Tantal"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 73: Tantal (Ta), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Wolfram" title="Wolfram"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 74: Wolfram (W), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Rhenium" title="Rhenium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 75: Rhenium (Re), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Osmium" title="Osmium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 76: Osmium (Os), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Iridium" title="Iridium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 77: Iridium (Ir), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Platin" title="Platin"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 78: Platin (Pt), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Gold" title="Gold"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 79: Gold (Au), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Quecksilber" title="Quecksilber"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 80: Quecksilber (Hg), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Thallium" title="Thallium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 81: Thallium (Tl), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Blei" title="Blei"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 82: Blei (Pb), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Bismut" title="Bismut"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 83: Bismut (Bi), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkGray;"><div style="position:absolute; top:0; left:0;"><a href="Polonium" title="Polonium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 84: Polonium (Po), Metall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Khaki;"><div style="position:absolute; top:0; left:0;"><a href="Astat" title="Astat"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 85: Astat (At), Halogen">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightskyBlue;"><div style="position:absolute; top:0; left:0;"><a href="Radon" title="Radon"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 86: Radon (Rn), Edelgas">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:OrangeRed;"><div style="position:absolute; top:0; left:0;"><a href="Francium" title="Francium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 87: Francium (Fr), Alkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:DarkOrange;"><div style="position:absolute; top:0; left:0;"><a href="Radium" title="Radium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 88: Radium (Ra), Erdalkalimetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Actinium" title="Actinium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 89: Actinium (Ac), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Thorium" title="Thorium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 90: Thorium (Th), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Protactinium" title="Protactinium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 91: Protactinium (Pa), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Uran" title="Uran"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 92: Uran (U), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Neptunium" title="Neptunium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 93: Neptunium (Np), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Plutonium" title="Plutonium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 94: Plutonium (Pu), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Americium" title="Americium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 95: Americium (Am), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Curium" title="Curium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 96: Curium (Cm), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Berkelium" title="Berkelium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 97: Berkelium (Bk), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Californium" title="Californium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 98: Californium (Cf), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Einsteinium" title="Einsteinium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 99: Einsteinium (Es), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Fermium" title="Fermium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 100: Fermium (Fm), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Mendelevium" title="Mendelevium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 101: Mendelevium (Md), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Nobelium" title="Nobelium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 102: Nobelium (No), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Orchid;"><div style="position:absolute; top:0; left:0;"><a href="Lawrencium" title="Lawrencium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 103: Lawrencium (Lr), Actinoid">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Rutherfordium" title="Rutherfordium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 104: Rutherfordium (Rf), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Dubnium" title="Dubnium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 105: Dubnium (Db), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Seaborgium" title="Seaborgium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 106: Seaborgium (Sg), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Bohrium" title="Bohrium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 107: Bohrium (Bh), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:LightCoral;"><div style="position:absolute; top:0; left:0;"><a href="Hassium" title="Hassium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 108: Hassium (Hs), Übergangsmetall">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Meitnerium" title="Meitnerium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 109: Meitnerium (Mt), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Darmstadtium" title="Darmstadtium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 110: Darmstadtium (Ds), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Roentgenium" title="Roentgenium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 111: Roentgenium (Rg), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Copernicium" title="Copernicium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 112: Copernicium (Cn), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Nihonium" title="Nihonium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 113: Nihonium (Nh), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Flerovium" title="Flerovium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 114: Flerovium (Fl), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Moscovium" title="Moscovium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 115: Moscovium (Mc), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Livermorium" title="Livermorium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 116: Livermorium (Lv), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Tenness" title="Tenness"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 117: Tenness (Ts), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Oganesson" title="Oganesson"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 118: Oganesson (Og), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Ununennium" title="Ununennium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 119: Ununennium (Uue), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbinilium" title="Unbinilium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 120: Unbinilium (Ubn), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbiunium" title="Unbiunium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 121: Unbiunium (Ubu), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td colspan="15">
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 154: Unpentquadium (Upq), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 155: Unpentpentium (Upp), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 156: Unpenthexium (Uph), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 157: Unpentseptium (Ups), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 158: Unpentoctium (Upo), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 159: Unpentennium (Upe), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 160: Unhexnilium (Uhn), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 161: Unhexunium (Uhu), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 162: Unhexbium (Uhb), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 163: Unhextrium (Uht), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 164: Unhexquadium (Uhq), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 165: Unhexpentium (Uhp), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 166: Unhexhexium (Uhh), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 167: Unhexseptium (Uhs), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Chemische_Elemente_der_achten_Periode" title="Chemische Elemente der achten Periode"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 168: Unhexoctium (Uho), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td></tr>
<tr>
<td colspan="3">
</td>
<td colspan="2" style="height:9px; text-align:left;">↑
</td>
<td colspan="11"><small>Superactinoide</small>
</td>
<td colspan="2" style="text-align:right;">↑
</td>
<td colspan="15">
</td></tr>
<tr>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbibium" title="Unbibium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 122: Unbibium (Ubb), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbitrium" title="Unbitrium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 123: Unbitrium (Ubt), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbiquadium" title="Unbiquadium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 124: Unbiquadium (Ubq), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbipentium" title="Unbipentium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 125: Unbipentium (Ubp), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbihexium" title="Unbihexium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 126: Unbihexium (Ubh), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbiseptium" title="Unbiseptium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 127: Unbiseptium (Ubs), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbioctium" title="Unbioctium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 128: Unbioctium (Ubo), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Unbiennium" title="Unbiennium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 129: Unbiennium (Ube), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Untrinilium" title="Untrinilium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 130: Untrinilium (Utn), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Untriunium" title="Untriunium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 131: Untriunium (Utu), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Untribium" title="Untribium"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 132: Untribium (Utb), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 133: Untritrium (Utt), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 134: Untriquadium (Utq), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 135: Untripentium (Utp), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 136: Untrihexium (Uth), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 137: Untriseptium (Uts), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 138: Untrioctium (Uto), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 139: Untriennium (Ute), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 140: Unquadnilium (Uqn), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 141: Unquadunium (Uqu), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 142: Unquadbium (Uqb), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 143: Unquadtrium (Uqt), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 144: Unquadquadium (Uqq), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 145: Unquadpentium (Uqp), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 146: Unquadhexium (Uqh), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 147: Unquadseptium (Uqs), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 148: Unquadoctium (Uqo), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 149: Unquadennium (Uqe), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 150: Unpentnilium (Upn), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 151: Unpentunium (Upu), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 152: Unpentbium (Upb), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td><div style="position:relative; overflow:hidden; width:11px; height:11px; color:#202122; background:Gainsboro;"><div style="position:absolute; top:0; left:0;"><a href="Superactinoide" class="mw-redirect" title="Superactinoide"><span style="float:left; width:10px; height:10px; font-size:9px; line-height:9px; word-spacing:7px; cursor:pointer;" title="Element 153: Unpenttrium (Upt), unbekannt">&nbsp; &nbsp;</span></a></div>
</div>
</td>
<td>
</td></tr></tbody></table>
</td></tr></tbody></table>
<p>Das <b>erweiterte Periodensystem</b> wurde 1969 von <a href="Glenn_T._Seaborg" title="Glenn T. Seaborg">Glenn T. Seaborg</a> vorgestellt. Im Großen und Ganzen entspricht es dem <a href="Periodensystem" title="Periodensystem">bisherigen Periodensystem</a> in Funktion und Aufbau, ergänzt dieses jedoch um <a href="Chemisches_Element" title="Chemisches Element">Elemente</a> mit <a href="Ordnungszahl" title="Ordnungszahl">Ordnungszahlen</a> größer als 118 und rückt weitere <a href="Nebengruppe" title="Nebengruppe">Nebengruppen</a> ein. Da diese zusätzlichen Elemente noch nicht erzeugt wurden, haben sie vorerst <a href="Systematische_Elementnamen" title="Systematische Elementnamen">systematische Elementnamen</a>. Außerdem ist es streng nach Belegung der <a href="Atomorbital" title="Atomorbital">Elektronenorbitale</a> sortiert, weshalb sich beispielsweise <a href="Helium" title="Helium">Helium</a> (He) auf der linken Seite, rechts neben <a href="Wasserstoff" title="Wasserstoff">Wasserstoff</a> (H) findet und nicht ganz rechts über <a href="Neon" title="Neon">Neon</a> (Ne).
</p>

<div class="mw-heading mw-heading2"><h2 id="Kernphysik">Kernphysik</h2></div>
<p>Von einer Erzeugung der in diesem Schema zusätzlich berücksichtigten Elemente mit Ordnungszahlen jenseits 118 ist nichts bekannt. Ihre Erzeugbarkeit durch <a href="Kernfusion" title="Kernfusion">Kernfusion</a> gilt jedoch aufgrund theoretischer Überlegungen als sehr wahrscheinlich. Es wird erwartet, dass diese Elemente mit <a href="Halbwertszeit" title="Halbwertszeit">Halbwertszeiten</a> unterhalb einer Sekunde zerfallen. Einige dieser Elemente sind vermutlich relativ langlebig im Verhältnis zu ihren Nachbarn, da sie auf <a href="Insel_der_Stabilit%C3%A4t" class="mw-redirect" title="Insel der Stabilität">Inseln der Stabilität</a> liegen. Im eigentlichen Sinne „stabile“ superschwere Elemente liegen aber nicht im Bereich dessen, was erwartet wird.
</p><p>Anomalien und Eigentümlichkeiten, die erst bei größeren Ordnungszahlen eintreten würden (z.&nbsp;B. ab 300 oder 500), können noch nicht zuverlässig vorhergesagt werden.
</p><p>Historisch wurden <a href="Neutronenstern" title="Neutronenstern">Neutronensterne</a> mit sehr großen Atomen mit Ordnungszahlen in vielen Zehnerpotenzen verglichen, was aber aufgrund der zusätzlich daran beteiligten physikalischen Phänomene (<a href="Gravitation" title="Gravitation">Gravitation</a>, <a href="Plasma_(Physik)" title="Plasma (Physik)">Plasmabildung</a>) als unzulässig gilt.
</p>
<div class="mw-heading mw-heading2"><h2 id="Chemie">Chemie</h2></div>
<p>Es wird vermutet, dass die Elemente mit Ordnungszahlen größer als 118 den bekannten Gesetzmäßigkeiten der Elemente niedrigerer Ordnungszahlen folgen. Allerdings ist ihre vermutete <a href="Lebensdauer_(Physik)" class="mw-redirect" title="Lebensdauer (Physik)">Lebensdauer</a> zu kurz und die herstellbare Menge zu gering, um chemische oder die meisten physikalischen <a href="Stoffeigenschaft" title="Stoffeigenschaft">Eigenschaften</a> (z.&nbsp;B. den <a href="Aggregatzustand" title="Aggregatzustand">Aggregatzustand</a>) beobachten zu können.
</p><p>Es wird erwartet, dass bei den Elementen 123 bis 140 nach und nach die 5g-Orbitale und bei den Elementen 122 und 141 bis 153 die 6f-Orbitale aufgefüllt werden. Glenn T. Seaborg prägte für die gemeinsame Gruppe der 5g- und 6f-Elemente den Begriff <a href="Superactinoide" class="mw-redirect" title="Superactinoide">Superactinoide</a>. Diese Elemente werden ähnlich den <a href="Lanthanoide" title="Lanthanoide">Lanthanoiden</a> und <a href="Actinoide" title="Actinoide">Actinoiden</a> eingerückt oder abseits dargestellt. Ähnlich wie bereits bei den Lanthanoiden und Actinoiden ist die genaue Zuordnung zu den Superactinoiden aber auch in der Fachliteratur nicht einheitlich.
</p><p>Generell wird erwartet, dass die theoretischen chemischen Eigenschaften der schwersten Elemente aufgrund <a href="Relativistische_Effekte_in_der_Chemie" title="Relativistische Effekte in der Chemie">relativistischer Effekte</a> nicht unbedingt den Trends der vorhergehenden <a href="Periode_des_Periodensystems" title="Periode des Periodensystems">Perioden</a> folgen müssen. Insofern ist die Zuordnung zu einzelnen Gruppen des Periodensystems eine rein formale Zuordnung. Bisher gilt es aber als ausgeschlossen, dass die Atomkerne lange genug existieren, um eine Elektronenhülle zu haben. Chemische eigenschaften wären demnach undefiniert bzw. nicht vorhanden.
</p>
<div class="mw-heading mw-heading2"><h2 id="Das_erweiterte_Periodensystem">Das erweiterte Periodensystem</h2></div>
<p>Die untenstehende Tabelle zeigt das Periodensystem in der achten Periode gemäß Seaborgs Annahmen.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>Unter Verwendung des <a href="Bohrsches_Atommodell" title="Bohrsches Atommodell">Bohrschen Atommodell</a> würde die Ordnungszahl <i>Z</i> = 137 eine maximale Grenze darstellen, da in diesem Modell die Geschwindigkeit <i>v</i> des Elektrons auf der innersten Bahn gegeben ist durch <i>v</i> = <i>Z</i>·α·<i>c</i>, bei <i>Z</i> &gt; 137 müsste die Geschwindigkeit des Elektrons höher als die <a href="Lichtgeschwindigkeit" title="Lichtgeschwindigkeit">Lichtgeschwindigkeit</a> <i>c</i> liegen.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Für so hohe Ordnungszahlen müssen jedoch Effekte der relativistischen Quantenmechanik beachtet werden: Nach Berechnungen mithilfe der <a href="Dirac-Gleichung" title="Dirac-Gleichung">Dirac-Gleichung</a> ergibt sich eine maximale Grenze erst in einem Bereich um <i>Z</i>&nbsp;=&nbsp;170.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p><p>Bei den Elementen der achten Periode ist festzustellen, dass gemäß Nefedov<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> bereits bei Element 159 im Grundzustand das erste 9s-Elektron besetzt ist. Im auf relativistischen Hartree-Fock-Slater-Berechnungen basierenden Modell von Fricke et al. (1971) und dem wie bei Nefedov auf Dirac-Fock-Berechnungen basierenden Modell von <a href="Pekka_Pyykk%C3%B6" title="Pekka Pyykkö">Pyykkö</a> (2011) endet die achte Periode dann erst mit Element 172, dem diese Autoren Edelgas-Verhalten zusprechen, bei dem dann aber bereits zwei 9s- und zwei 9p-Elektronen besetzt sind.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>
</p><p><span id="G-Block"></span>Man beachte, dass sich in der achten Periode die Energiebereiche der 5g-, 6f-, 7d- und 8p-Elektronen so dicht aneinander befinden bzw. sich überlappen, dass eine direkte Zuordnung von 123 zu 5g<sup>1</sup>, 124 zu 5g<sup>2</sup> etc., wie sie in der Tabelle unten suggeriert wird, nicht möglich ist. Siehe dazu <a href="Chemische_Elemente_der_achten_Periode#Liste" title="Chemische Elemente der achten Periode">Chemische Elemente der achten Periode#Liste</a>, wo einige der berechneten Elektronenkonfigurationen aus Nefedov et al. aufgelistet sind.
</p>
<div style="overflow: auto;">
<table cellpadding="0" cellspacing="1" style="border-width: 0; font-size: 80%; text-align: center;">
<tbody><tr>
<th width="50" style="background:#DFDFDF;color:#DF0000">Periode
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">s<sup>1</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">s<sup>2</sup>
</th>
<td width="1200" colspan="48">
</td>
<th width="50" style="background:#DFDFDF;color:#DF0000">Periode
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">1
</th>
<td width="25" style="background:#FF6699;">1<br><a href="Wasserstoff" title="Wasserstoff">H</a>
</td>
<td width="25" style="background:#FF6699;">2<br><a href="Helium" title="Helium">He</a>
</td>
<td width="1050" colspan="42">
</td>
<th width="25" style="background:#DFDFDF;color:#00BF00">p<sup>1</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">p<sup>2</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">p<sup>3</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">p<sup>4</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">p<sup>5</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">p<sup>6</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#DF0000">1
</th></tr>
<tr style="text-align: center;">
<th width="25" style="background:#DFDFDF;color:#DF0000">2
</th>
<td width="25" style="background:#FF6699;">3<br><a href="Lithium" title="Lithium">Li</a>
</td>
<td width="25" style="background:#FF6699;">4<br><a href="Beryllium" title="Beryllium">Be</a>
</td>
<td width="1050" colspan="42">
</td>
<td width="25" style="background:#99CCFF;">5<br><a href="Bor" title="Bor">B</a>
</td>
<td width="25" style="background:#99CCFF;">6<br><a href="Kohlenstoff" title="Kohlenstoff">C</a>
</td>
<td width="25" style="background:#99CCFF;">7<br><a href="Stickstoff" title="Stickstoff">N</a>
</td>
<td width="25" style="background:#99CCFF;">8<br><a href="Sauerstoff" title="Sauerstoff">O</a>
</td>
<td width="25" style="background:#99CCFF;">9<br><a href="Fluor" title="Fluor">F</a>
</td>
<td width="25" style="background:#99CCFF;">10<br><a href="Neon" title="Neon">Ne</a>
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">2
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">3
</th>
<td width="25" style="background:#FF6699;">11<br><a href="Natrium" title="Natrium">Na</a>
</td>
<td width="25" style="background:#FF6699;">12<br><a href="Magnesium" title="Magnesium">Mg</a>
</td>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>1</sup>
</th>
<td width="800" colspan="32">
</td>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>2</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>3</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>4</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>5</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>6</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>7</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>8</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>9</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">d<sup>10</sup>
</th>
<td width="25" style="background:#99CCFF;">13<br><a href="Aluminium" title="Aluminium">Al</a>
</td>
<td width="25" style="background:#99CCFF;">14<br><a href="Silicium" title="Silicium">Si</a>
</td>
<td width="25" style="background:#99CCFF;">15<br><a href="Phosphor" title="Phosphor">P</a>
</td>
<td width="25" style="background:#99CCFF;">16<br><a href="Schwefel" title="Schwefel">S</a>
</td>
<td width="25" style="background:#99CCFF;">17<br><a href="Chlor" title="Chlor">Cl</a>
</td>
<td width="25" style="background:#99CCFF;">18<br><a href="Argon" title="Argon">Ar</a>
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">3
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">4
</th>
<td width="25" style="background:#FF6699;">19<br><a href="Kalium" title="Kalium">K</a>
</td>
<td width="25" style="background:#FF6699;">20<br><a href="Calcium" title="Calcium">Ca</a>
</td>
<td width="25" style="background:#CCFF99;">21<br><a href="Scandium" title="Scandium">Sc</a>
</td>
<td width="800" colspan="32">
</td>
<td width="25" style="background:#CCFF99;">22<br><a href="Titan_(Element)" title="Titan (Element)">Ti</a>
</td>
<td width="25" style="background:#CCFF99;">23<br><a href="Vanadium" title="Vanadium">V</a>
</td>
<td width="25" style="background:#CCFF99;">24<br><a href="Chrom" title="Chrom">Cr</a>
</td>
<td width="25" style="background:#CCFF99;">25<br><a href="Mangan" title="Mangan">Mn</a>
</td>
<td width="25" style="background:#CCFF99;">26<br><a href="Eisen" title="Eisen">Fe</a>
</td>
<td width="25" style="background:#CCFF99;">27<br><a href="Cobalt" title="Cobalt">Co</a>
</td>
<td width="25" style="background:#CCFF99;">28<br><a href="Nickel" title="Nickel">Ni</a>
</td>
<td width="25" style="background:#CCFF99;">29<br><a href="Kupfer" title="Kupfer">Cu</a>
</td>
<td width="25" style="background:#CCFF99;">30<br><a href="Zink" title="Zink">Zn</a>
</td>
<td width="25" style="background:#99CCFF;">31<br><a href="Gallium" title="Gallium">Ga</a>
</td>
<td width="25" style="background:#99CCFF;">32<br><a href="Germanium" title="Germanium">Ge</a>
</td>
<td width="25" style="background:#99CCFF;">33<br><a href="Arsen" title="Arsen">As</a>
</td>
<td width="25" style="background:#99CCFF;">34<br><a href="Selen" title="Selen">Se</a>
</td>
<td width="25" style="background:#99CCFF;">35<br><a href="Brom" title="Brom">Br</a>
</td>
<td width="25" style="background:#99CCFF;">36<br><a href="Krypton" title="Krypton">Kr</a>
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">4
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">5
</th>
<td width="25" style="background:#FF6699;">37<br><a href="Rubidium" title="Rubidium">Rb</a>
</td>
<td width="25" style="background:#FF6699;">38<br><a href="Strontium" title="Strontium">Sr</a>
</td>
<td width="25" style="background:#CCFF99;">39<br><a href="Yttrium" title="Yttrium">Y</a>
</td>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>1</sup>
</th>
<td width="450" colspan="18">
</td>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>2</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>3</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>4</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>5</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>6</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>7</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>8</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>9</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>10</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>11</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>12</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>13</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">f<sup>14</sup>
</th>
<td width="25" style="background:#CCFF99;">40<br><a href="Zirconium" title="Zirconium">Zr</a>
</td>
<td width="25" style="background:#CCFF99;">41<br><a href="Niob" title="Niob">Nb</a>
</td>
<td width="25" style="background:#CCFF99;">42<br><a href="Molybd%C3%A4n" title="Molybdän">Mo</a>
</td>
<td width="25" style="background:#CCFF99;">43<br><a href="Technetium" title="Technetium">Tc</a>
</td>
<td width="25" style="background:#CCFF99;">44<br><a href="Ruthenium" title="Ruthenium">Ru</a>
</td>
<td width="25" style="background:#CCFF99;">45<br><a href="Rhodium" title="Rhodium">Rh</a>
</td>
<td width="25" style="background:#CCFF99;">46<br><a href="Palladium" title="Palladium">Pd</a>
</td>
<td width="25" style="background:#CCFF99;">47<br><a href="Silber" title="Silber">Ag</a>
</td>
<td width="25" style="background:#CCFF99;">48<br><a href="Cadmium" title="Cadmium">Cd</a>
</td>
<td width="25" style="background:#99CCFF;">49<br><a href="Indium" title="Indium">In</a>
</td>
<td width="25" style="background:#99CCFF;">50<br><a href="Zinn" title="Zinn">Sn</a>
</td>
<td width="25" style="background:#99CCFF;">51<br><a href="Antimon" title="Antimon">Sb</a>
</td>
<td width="25" style="background:#99CCFF;">52<br><a href="Tellur" title="Tellur">Te</a>
</td>
<td width="25" style="background:#99CCFF;">53<br><a href="Iod" title="Iod">I</a>
</td>
<td width="25" style="background:#99CCFF;">54<br><a href="Xenon" title="Xenon">Xe</a>
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">5
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">6
</th>
<td width="25" style="background:#FF6699;">55<br><a href="Caesium" title="Caesium">Cs</a>
</td>
<td width="25" style="background:#FF6699;">56<br><a href="Barium" title="Barium">Ba</a>
</td>
<td width="25" style="background:#CCFF99;">57<br><a href="Lanthan" title="Lanthan">La</a>
</td>
<td width="25" style="background:#66FFCC;">58<br><a href="Cer" title="Cer">Ce</a>
</td>
<td width="450" colspan="18">
</td>
<td width="25" style="background:#66FFCC;">59<br><a href="Praseodym" title="Praseodym">Pr</a>
</td>
<td width="25" style="background:#66FFCC;">60<br><a href="Neodymium" class="mw-redirect" title="Neodymium">Nd</a>
</td>
<td width="25" style="background:#66FFCC;">61<br><a href="Promethium" title="Promethium">Pm</a>
</td>
<td width="25" style="background:#66FFCC;">62<br><a href="Samarium" title="Samarium">Sm</a>
</td>
<td width="25" style="background:#66FFCC;">63<br><a href="Europium" title="Europium">Eu</a>
</td>
<td width="25" style="background:#66FFCC;">64<br><a href="Gadolinium" title="Gadolinium">Gd</a>
</td>
<td width="25" style="background:#66FFCC;">65<br><a href="Terbium" title="Terbium">Tb</a>
</td>
<td width="25" style="background:#66FFCC;">66<br><a href="Dysprosium" title="Dysprosium">Dy</a>
</td>
<td width="25" style="background:#66FFCC;">67<br><a href="Holmium" title="Holmium">Ho</a>
</td>
<td width="25" style="background:#66FFCC;">68<br><a href="Erbium" title="Erbium">Er</a>
</td>
<td width="25" style="background:#66FFCC;">69<br><a href="Thulium" title="Thulium">Tm</a>
</td>
<td width="25" style="background:#66FFCC;">70<br><a href="Ytterbium" title="Ytterbium">Yb</a>
</td>
<td width="25" style="background:#66FFCC;">71<br><a href="Lutetium" title="Lutetium">Lu</a>
</td>
<td width="25" style="background:#CCFF99;">72<br><a href="Hafnium" title="Hafnium">Hf</a>
</td>
<td width="25" style="background:#CCFF99;">73<br><a href="Tantal" title="Tantal">Ta</a>
</td>
<td width="25" style="background:#CCFF99;">74<br><a href="Wolfram" title="Wolfram">W</a>
</td>
<td width="25" style="background:#CCFF99;">75<br><a href="Rhenium" title="Rhenium">Re</a>
</td>
<td width="25" style="background:#CCFF99;">76<br><a href="Osmium" title="Osmium">Os</a>
</td>
<td width="25" style="background:#CCFF99;">77<br><a href="Iridium" title="Iridium">Ir</a>
</td>
<td width="25" style="background:#CCFF99;">78<br><a href="Platin" title="Platin">Pt</a>
</td>
<td width="25" style="background:#CCFF99;">79<br><a href="Gold" title="Gold">Au</a>
</td>
<td width="25" style="background:#CCFF99;">80<br><a href="Quecksilber" title="Quecksilber">Hg</a>
</td>
<td width="25" style="background:#99CCFF;">81<br><a href="Thallium" title="Thallium">Tl</a>
</td>
<td width="25" style="background:#99CCFF;">82<br><a href="Blei" title="Blei">Pb</a>
</td>
<td width="25" style="background:#99CCFF;">83<br><a href="Bismut" title="Bismut">Bi</a>
</td>
<td width="25" style="background:#99CCFF;">84<br><a href="Polonium" title="Polonium">Po</a>
</td>
<td width="25" style="background:#99CCFF;">85<br><a href="Astat" title="Astat">At</a>
</td>
<td width="25" style="background:#99CCFF;">86<br><a href="Radon" title="Radon">Rn</a>
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">6
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">7
</th>
<td width="25" style="background:#FF6699;">87<br><a href="Francium" title="Francium">Fr</a>
</td>
<td width="25" style="background:#FF6699;">88<br><a href="Radium" title="Radium">Ra</a>
</td>
<td width="25" style="background:#CCFF99;">89<br><a href="Actinium" title="Actinium">Ac</a>
</td>
<td width="25" style="background:#66FFCC;">90<br><a href="Thorium" title="Thorium">Th</a>
</td>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>1</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>2</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>3</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>4</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>5</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>6</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>7</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>8</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>9</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>10</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>11</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>12</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>13</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>14</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>15</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>16</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>17</sup>
</th>
<th width="25" style="background:#DFDFDF;color:#00BF00">g<sup>18</sup>
</th>
<td width="25" style="background:#66FFCC;">91<br><a href="Protactinium" title="Protactinium">Pa</a>
</td>
<td width="25" style="background:#66FFCC;">92<br><a href="Uran" title="Uran">U</a>
</td>
<td width="25" style="background:#66FFCC;">93<br><a href="Neptunium" title="Neptunium">Np</a>
</td>
<td width="25" style="background:#66FFCC;">94<br><a href="Plutonium" title="Plutonium">Pu</a>
</td>
<td width="25" style="background:#66FFCC;">95<br><a href="Americium" title="Americium">Am</a>
</td>
<td width="25" style="background:#66FFCC;">96<br><a href="Curium" title="Curium">Cm</a>
</td>
<td width="25" style="background:#66FFCC;">97<br><a href="Berkelium" title="Berkelium">Bk</a>
</td>
<td width="25" style="background:#66FFCC;">98<br><a href="Californium" title="Californium">Cf</a>
</td>
<td width="25" style="background:#66FFCC;">99<br><a href="Einsteinium" title="Einsteinium">Es</a>
</td>
<td width="25" style="background:#66FFCC;">100<br><a href="Fermium" title="Fermium">Fm</a>
</td>
<td width="25" style="background:#66FFCC;">101<br><a href="Mendelevium" title="Mendelevium">Md</a>
</td>
<td width="25" style="background:#66FFCC;">102<br><a href="Nobelium" title="Nobelium">No</a>
</td>
<td width="25" style="background:#66FFCC;">103<br><a href="Lawrencium" title="Lawrencium">Lr</a>
</td>
<td width="25" style="background:#CCFF99;">104<br><a href="Rutherfordium" title="Rutherfordium">Rf</a>
</td>
<td width="25" style="background:#CCFF99;">105<br><a href="Dubnium" title="Dubnium">Db</a>
</td>
<td width="25" style="background:#CCFF99;">106<br><a href="Seaborgium" title="Seaborgium">Sg</a>
</td>
<td width="25" style="background:#CCFF99;">107<br><a href="Bohrium" title="Bohrium">Bh</a>
</td>
<td width="25" style="background:#CCFF99;">108<br><a href="Hassium" title="Hassium">Hs</a>
</td>
<td width="25" style="background:#CCFF99;">109<br><a href="Meitnerium" title="Meitnerium">Mt</a>
</td>
<td width="25" style="background:#CCFF99;">110<br><a href="Darmstadtium" title="Darmstadtium">Ds</a>
</td>
<td width="25" style="background:#CCFF99;">111<br><a href="Roentgenium" title="Roentgenium">Rg</a>
</td>
<td width="25" style="background:#CCFF99;">112<br><a href="Copernicium" title="Copernicium">Cn</a>
</td>
<td width="25" style="background:#99CCFF;">113<br><a href="Nihonium" title="Nihonium">Nh</a>
</td>
<td width="25" style="background:#99CCFF;">114<br><a href="Flerovium" title="Flerovium">Fl</a>
</td>
<td width="25" style="background:#99CCFF;">115<br><a href="Moscovium" title="Moscovium">Mc</a>
</td>
<td width="25" style="background:#99CCFF;">116<br><a href="Livermorium" title="Livermorium">Lv</a>
</td>
<td width="25" style="background:#99CCFF;">117<br><a href="Tenness" title="Tenness">Ts</a>
</td>
<td width="25" style="background:#99CCFF;">118<br><a href="Oganesson" title="Oganesson">Og</a>
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">7
</th></tr>
<tr>
<th width="25" style="background:#DFDFDF;color:#DF0000">8
</th>
<td width="25" style="background:#FF6699;">119<br><a href="Ununennium" title="Ununennium">Uue</a>
</td>
<td width="25" style="background:#FF6699;">120<br><a href="Unbinilium" title="Unbinilium">Ubn</a>
</td>
<td width="25" style="background:#CCFF99;">121<br><a href="Unbiunium" title="Unbiunium">Ubu</a>
</td>
<td width="25" style="background:#66FFCC;">122<br><a href="Unbibium" title="Unbibium">Ubb</a>
</td>
<td width="25" style="background:#FFCC66;">123<br><a href="Unbitrium" title="Unbitrium">Ubt</a>
</td>
<td width="25" style="background:#FFCC66;">124<br><a href="Unbiquadium" title="Unbiquadium">Ubq</a>
</td>
<td width="25" style="background:#FFCC66;">125<br><a href="Unbipentium" title="Unbipentium">Ubp</a>
</td>
<td width="25" style="background:#FFCC66;">126<br><a href="Unbihexium" title="Unbihexium">Ubh</a>
</td>
<td width="25" style="background:#FFCC66;">127<br><a href="Unbiseptium" title="Unbiseptium">Ubs</a>
</td>
<td width="25" style="background:#FFCC66;">128<br><a href="Unbioctium" title="Unbioctium">Ubo</a>
</td>
<td width="25" style="background:#FFCC66;">129<br><a href="Unbiennium" title="Unbiennium">Ube</a>
</td>
<td width="25" style="background:#FFCC66;">130<br><a href="Untrinilium" title="Untrinilium">Utn</a>
</td>
<td width="25" style="background:#FFCC66;">131<br><a href="Untriunium" title="Untriunium">Utu</a>
</td>
<td width="25" style="background:#FFCC66;">132<br><a href="Untribium" title="Untribium">Utb</a>
</td>
<td width="25" style="background:#FFCC66;">133<br>Utt
</td>
<td width="25" style="background:#FFCC66;">134<br>Utq
</td>
<td width="25" style="background:#FFCC66;">135<br>Utp
</td>
<td width="25" style="background:#FFCC66;">136<br>Uth
</td>
<td width="25" style="background:#FFCC66;">137<br>Uts
</td>
<td width="25" style="background:#FFCC66;">138<br>Uto
</td>
<td width="25" style="background:#FFCC66;">139<br>Ute
</td>
<td width="25" style="background:#FFCC66;">140<br>Uqn
</td>
<td width="25" style="background:#66FFCC;">141<br>Uqu
</td>
<td width="25" style="background:#66FFCC;">142<br>Uqb
</td>
<td width="25" style="background:#66FFCC;">143<br>Uqt
</td>
<td width="25" style="background:#66FFCC;">144<br>Uqq
</td>
<td width="25" style="background:#66FFCC;">145<br>Uqp
</td>
<td width="25" style="background:#66FFCC;">146<br>Uqh
</td>
<td width="25" style="background:#66FFCC;">147<br>Uqs
</td>
<td width="25" style="background:#66FFCC;">148<br>Uqo
</td>
<td width="25" style="background:#66FFCC;">149<br>Uqe
</td>
<td width="25" style="background:#66FFCC;">150<br>Upn
</td>
<td width="25" style="background:#66FFCC;">151<br>Upu
</td>
<td width="25" style="background:#66FFCC;">152<br>Upb
</td>
<td width="25" style="background:#66FFCC;">153<br>Upt
</td>
<td width="25" style="background:#CCFF99;">154<br>Upq
</td>
<td width="25" style="background:#CCFF99;">155<br>Upp
</td>
<td width="25" style="background:#CCFF99;">156<br>Uph
</td>
<td width="25" style="background:#CCFF99;">157<br>Ups
</td>
<td width="25" style="background:#CCFF99;">158<br>Upo
</td>
<td width="25" style="background:#CCFF99;">159<br>Upe
</td>
<td width="25" style="background:#CCFF99;">160<br>Uhn
</td>
<td width="25" style="background:#CCFF99;">161<br>Uhu
</td>
<td width="25" style="background:#CCFF99;">162<br>Uhb
</td>
<td width="25" style="background:#99CCFF;">163<br>Uht
</td>
<td width="25" style="background:#99CCFF;">164<br>Uhq
</td>
<td width="25" style="background:#99CCFF;">165<br>Uhp
</td>
<td width="25" style="background:#99CCFF;">166<br>Uhh
</td>
<td width="25" style="background:#99CCFF;">167<br>Uhs
</td>
<td width="25" style="background:#99CCFF;">168<br>Uho
</td>
<th width="25" style="background:#DFDFDF;color:#DF0000">8
</th></tr></tbody></table>
<table cellpadding="0" cellspacing="2" style="border-width: 0; text-align: center;">
<caption><a href="Block_des_Periodensystems" class="mw-redirect" title="Block des Periodensystems">Blöcke</a>
</caption>
<tbody><tr>
<td width="7%" style="background:#FF6699;">s-Block
</td>
<td width="7%" style="background:#99CCFF;">p-Block
</td>
<td width="7%" style="background:#CCFF99;">d-Block
</td>
<td width="7%" style="background:#66FFCC;">f-Block
</td>
<td width="7%" style="background:#FFCC66;">g-Block
</td></tr></tbody></table>
</div>
<div class="mw-heading mw-heading2"><h2 id="Siehe_auch">Siehe auch</h2></div>
<ul><li><a href="Liste_der_chemischen_Elemente" title="Liste der chemischen Elemente">Liste der chemischen Elemente</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Literatur">Literatur</h2></div>
<ul><li><a href="Harry_H._Binder" title="Harry H. Binder">Harry H. Binder</a>: <i>Die Grenzen des Periodensystems der Elemente</i>. In: <i>Lexikon der chemischen Elemente – Das Periodensystem in Fakten, Zahlen und Daten.</i> Hirzel, Stuttgart 1999, ISBN 3-7776-0736-3, S. 761–767</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a href="Glenn_T._Seaborg" title="Glenn T. Seaborg">Glenn T. Seaborg</a>: <cite style="font-style:italic">Prospects for Further Considerable Extension of the Periodic Table</cite>. In: <cite style="font-style:italic">Journal of Chemical Education</cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>46</span>, Oktober 1969, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>626–634</span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=Prospects+for+Further+Considerable+Extension+of+the+Periodic+Table&amp;rft.au=Glenn+T.+Seaborg&amp;rft.btitle=Journal+of+Chemical+Education&amp;rft.date=1969-10&amp;rft.genre=book&amp;rft.pages=626-634&amp;rft.volume=46" style="display:none">&nbsp;</span> Auch zu finden als Abdruck in G.T. Seaborg: <cite style="font-style:italic">Prospects for Further Considerable Extension of the Periodic Table</cite>. In: G.T. Seaborg (Hrsg.): <cite style="font-style:italic">Modern Alchemy: Selected Papers of Glenn T. Seaborg</cite>. World Scientific, 1994, ISBN 978-981-02-1440-1 (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=e53sNAOXrdMC&amp;pg=PA170&amp;q=superactinide#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=Prospects+for+Further+Considerable+Extension+of+the+Periodic+Table&amp;rft.au=G.T.+Seaborg&amp;rft.btitle=Modern+Alchemy%3A+Selected+Papers+of+Glenn+T.+Seaborg&amp;rft.date=1994&amp;rft.genre=book&amp;rft.isbn=9789810214401&amp;rft.pub=World+Scientific" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Seaborgs Bezeichnung und Elementbereich wird unter anderem auch in folgendem Buch verwendet: D.C. Hofman, D.A. Shaughnessy: <cite style="font-style:italic">Superheavy Elements</cite>. In: Attila Vértes et al. (Hrsg.): <cite style="font-style:italic">Handbook of Nuclear Chemistry</cite>. 2. Auflage. Springer Science &amp; Business Media, 2010, ISBN 978-1-4419-0719-6 (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=NQyF6KaUScQC&amp;pg=PA1009&amp;q=superactinide#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=Superheavy+Elements&amp;rft.au=D.C.+Hofman%2C+D.A.+Shaughnessy&amp;rft.btitle=Handbook+of+Nuclear+Chemistry&amp;rft.date=2010&amp;rft.edition=2&amp;rft.genre=book&amp;rft.isbn=9781441907196&amp;rft.pub=Springer+Science+%26+Business+Media" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Volodymyr Bezverkhniy, Vitaliy Bezverkhniy: <cite style="font-style:italic">The Speed of Light and the Number of Chemical Elements.</cite> In: <cite style="font-style:italic">SSRN Electronic Journal</cite>. 2020, <a href="Internationale_Standardnummer_f%C3%BCr_fortlaufende_Sammelwerke" title="Internationale Standardnummer für fortlaufende Sammelwerke">ISSN</a>&nbsp;<span style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://zdb-katalog.de/list.xhtml?t=iss%3D%221556-5068%22&amp;key=cql">1556-5068</a></span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.2139/ssrn.3709471">10.2139/ssrn.3709471</a></span> (<a rel="nofollow" class="external text" href="https://www.ssrn.com/abstract=3709471">ssrn.com</a>).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=The+Speed+of+Light+and+the+Number+of+Chemical+Elements.&amp;rft.au=Volodymyr+Bezverkhniy%2C+Vitaliy+Bezverkhniy&amp;rft.date=2020&amp;rft.doi=10.2139%2Fssrn.3709471&amp;rft.genre=journal&amp;rft.issn=1556-5068&amp;rft.jtitle=SSRN+Electronic+Journal" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">O. R. Smits, P. Indelicato, W. Nazarewicz, M. Piibeleht, P. Schwerdtfeger: <cite style="font-style:italic">Pushing the limits of the periodic table — A review on atomic relativistic electronic structure theory and calculations for the superheavy elements</cite>. In: <cite style="font-style:italic">Physics Reports</cite> (=&nbsp;<cite style="font-style:italic">Pushing the limits of the periodic table — A review on atomic relativistic electronic structure theory and calculations for the superheavy elements</cite>). <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>1035</span>, 25.&nbsp;September 2023, <a href="Internationale_Standardnummer_f%C3%BCr_fortlaufende_Sammelwerke" title="Internationale Standardnummer für fortlaufende Sammelwerke">ISSN</a>&nbsp;<span style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://zdb-katalog.de/list.xhtml?t=iss%3D%220370-1573%22&amp;key=cql">0370-1573</a></span>, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>1–57</span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1016/j.physrep.2023.09.004">10.1016/j.physrep.2023.09.004</a></span> (<a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/S0370157323003009?via=ihub">sciencedirect.com</a> [abgerufen am 28.&nbsp;März 2025]).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=Pushing+the+limits+of+the+periodic+table+%E2%80%94+A+review+on+atomic+relativistic+electronic+structure+theory+and+calculations+for+the+superheavy+elements&amp;rft.au=O.+R.+Smits%2C+P.+Indelicato%2C+W.+Nazarewicz%2C+...&amp;rft.date=2023-09-25&amp;rft.doi=10.1016%2Fj.physrep.2023.09.004&amp;rft.genre=journal&amp;rft.issn=0370-1573&amp;rft.jtitle=Physics+Reports&amp;rft.pages=1-57&amp;rft.series=Pushing+the+limits+of+the+periodic+table+%E2%80%94+A+review+on+atomic+relativistic+electronic+structure+theory+and+calculations+for+the+superheavy+elements&amp;rft.volume=1035" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">V.I. Nefedov, M.B. Trzhaskovskaya, V.G. Yarzhemskii: <cite style="font-style:italic">Electronic Configurations and the Periodic Table for Superheavy Elements</cite>. In: <cite style="font-style:italic">Doklady Physical Chemistry</cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>408</span>, <span style="white-space:nowrap">Nr.<span style="display:inline-block;width:.2em">&nbsp;</span>2</span>, 2006, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>149–151</span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1134/S0012501606060029">10.1134/S0012501606060029</a></span> (<a rel="nofollow" class="external text" href="http://www.primefan.ru/stuff/chem/nefedov.pdf">Kopie auf russischer Webseite</a> [PDF; <span style="white-space:nowrap">111<span style="display:inline-block;width:.2em">&nbsp;</span>kB</span>; abgerufen am 11.&nbsp;Juli 2020]).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=Electronic+Configurations+and+the+Periodic+Table+for+Superheavy+Elements&amp;rft.au=V.I.+Nefedov%2C+M.B.+Trzhaskovskaya%2C+V.G.+Yarzhemskii&amp;rft.date=2006&amp;rft.doi=10.1134%2FS0012501606060029&amp;rft.genre=journal&amp;rft.issue=2&amp;rft.jtitle=Doklady+Physical+Chemistry&amp;rft.pages=149-151&amp;rft.volume=408" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">Fricke, B., <a href="Walter_Greiner" title="Walter Greiner">Greiner, W.</a> und Waber, J.T.: <cite style="font-style:italic">The continuation of the periodic table up to Z = 172. The chemistry of superheavy elements</cite>. In: <cite style="font-style:italic">Theoret. Chim. Acta</cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>21</span>, 1971, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>235–260</span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1007/BF01172015">10.1007/BF01172015</a></span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=The+continuation+of+the+periodic+table+up+to+Z+%3D+172.+The+chemistry+of+superheavy+elements&amp;rft.au=Fricke%2C+B.%2C+%5B%5BWalter+Greiner%7CGreiner%2C+...&amp;rft.btitle=Theoret.+Chim.+Acta&amp;rft.date=1971&amp;rft.doi=10.1007%2FBF01172015&amp;rft.genre=book&amp;rft.pages=235-260&amp;rft.volume=21" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text">Pekka Pyykkö: <cite style="font-style:italic">A suggested Periodic Table up to Z ≤ 172, based on Dirac-Fock calculations on atoms and ions</cite>. In: <cite style="font-style:italic">Phys. Chem. Chem. Phys.</cite> <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>13</span>, <span style="white-space:nowrap">Nr.<span style="display:inline-block;width:.2em">&nbsp;</span>1</span>, 2011, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>161–168</span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1039/C0CP01575J">10.1039/C0CP01575J</a></span> (<a rel="nofollow" class="external text" href="http://www.chem.helsinki.fi/~pyykko/pekka/PT.pdf">preprint-Version von der Homepage des Autors</a> [PDF; <span style="white-space:nowrap">164<span style="display:inline-block;width:.2em">&nbsp;</span>kB</span>; abgerufen am 13.&nbsp;Juli 2020]).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:Erweitertes+Periodensystem&amp;rft.atitle=A+suggested+Periodic+Table+up+to+Z+%E2%89%A4+172%2C+based+on+Dirac-Fock+calculations+on+atoms+and+ions&amp;rft.au=Pekka+Pyykk%C3%B6&amp;rft.date=2011&amp;rft.doi=10.1039%2FC0CP01575J&amp;rft.genre=journal&amp;rft.issue=1&amp;rft.jtitle=Phys.+Chem.+Chem.+Phys.&amp;rft.pages=161-168&amp;rft.volume=13" style="display:none">&nbsp;</span></span>
</li>
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