| Element | Symbol |
Ordnungs- zahl |
Atomgewicht in u |
Dichte in g/cm³ |
Schmelzpunkt in °C |
Siedepunkt in °C |
Jahr der Entdeckung | Entdecker |
|---|---|---|---|---|---|---|---|---|
| Actinium |
|
|
|
|
|
|
|
Debierne |
| Aluminium |
|
|
|
|
|
|
|
Wöhler |
| Americium |
|
|
|
|
|
|
|
Seaborg/James/Morgan/Ghiorso |
| Antimon |
|
|
|
|
|
|
|
- |
| Argon |
|
|
|
|
|
|
|
Ramsay/Raleigh |
| Arsen |
|
|
|
|
|
|
|
Albertus Magnus |
| Astat |
|
|
|
|
|
|
|
Corson/Mackenzie/Segrè |
| Barium |
|
|
|
|
|
|
|
Davy |
| Berkelium |
|
|
|
|
|
|
|
Seaborg/Ghiorso/Thompson |
| Beryllium |
|
|
|
|
|
|
|
Wöhler |
| Bismut |
|
|
|
|
|
|
|
Pott |
| Blei |
|
|
|
|
|
|
|
Ägypten |
| Bor |
|
|
|
|
|
|
|
Gay-Lussac/Davy |
| Brom |
|
|
|
|
|
|
|
Balard |
| Cadmium |
|
|
|
|
|
|
|
Stromeyer |
| Calcium |
|
|
|
|
|
|
|
Davy |
| Californium |
|
|
|
|
|
|
|
Seaborg/Ghiorso/Hamilton/Thompson |
| Cäsium |
|
|
|
|
|
|
|
Bunsen/Kirchhoff |
| Cer |
|
|
|
|
|
|
|
Klaproth |
| Chlor |
|
|
|
|
|
|
|
Scheele |
| Chrom |
|
|
|
|
|
|
|
Vauquelin |
| Curium |
|
|
|
|
|
|
|
Seaborg/James/Morgan/Ghiorso |
| Dysprosium |
|
|
|
|
|
|
|
de Boisbaudran |
| Einsteinium |
|
|
|
|
|
|
|
Ghiorso/Berkeley u.a. |
| Eisen |
|
|
|
|
|
|
|
Sudan |
| Erbium |
|
|
|
|
|
|
|
Mosander |
| Europium |
|
|
|
|
|
|
|
de Boisbaudran |
| Fermium |
|
|
|
|
|
|
|
Hirsch/Brown/Berkeley u.a. |
| Fluor |
|
|
|
|
|
|
|
Moissan |
| Francium |
|
|
|
|
|
|
|
Perey |
| Gadolinium |
|
|
|
|
|
|
|
Marignac |
| Gallium |
|
|
|
|
|
|
|
de Boisbaudran |
| Germanium |
|
|
|
|
|
|
|
Winkler |
| Gold |
|
|
|
|
|
|
|
Nubien |
| Hafnium |
|
|
|
|
|
|
|
Coster/Hevesey |
| Hahnium |
|
|
|
|
|
|
|
Hahn/Bohr |
| Helium |
|
|
|
|
|
|
|
Lockyer |
| Holmium |
|
|
|
|
|
|
|
Cleve |
| Indium |
|
|
|
|
|
|
|
Reich/Richter |
| Iod |
|
|
|
|
|
|
|
Courtois |
| Iridium |
|
|
|
|
|
|
|
Tennant |
| Kalium |
|
|
|
|
|
|
|
Davy |
| Kobalt |
|
|
|
|
|
|
|
Brandt |
| Kohlenstoff |
|
|
|
|
|
|
|
- |
| Krypton |
|
|
|
|
|
|
Ramsay/Travers | |
| Kupfer |
|
|
|
|
|
|
|
Ägypten |
| Kurtschatovium |
|
|
|
|
|
|
|
Flerov/Lobanov |
| Lanthan |
|
|
|
|
|
|
|
Mosander |
| Lawrencium |
|
|
|
|
|
|
|
Ghiroso/Seaborg |
| Lithium |
|
|
|
|
|
|
|
Arfevedson |
| Lutetium |
|
|
|
|
|
|
|
Weisbach |
| Magnesium |
|
|
|
|
|
|
|
Davy |
| Mangan |
|
|
|
|
|
|
|
Gahn |
| Mendelevium |
|
|
|
|
|
|
|
Ghiroso |
| Molybdän |
|
|
|
|
|
|
|
Hjelm |
| Natrium |
|
|
|
|
|
|
|
Davy |
| Neodym |
|
|
|
|
|
|
|
Weisbach |
| Neon |
|
|
|
|
|
|
|
Ramsay |
| Neptunium |
|
|
|
|
|
|
|
McMillan/Abelson |
| Nickel |
|
|
|
|
|
|
|
Cronstedt |
| Niob |
|
|
|
|
|
|
|
Hatchett |
| Nobelium |
|
|
|
|
|
|
|
Ghiorso/Sikkeland |
| Osmium |
|
|
|
|
|
|
|
Tennant |
| Palladium |
|
|
|
|
|
|
|
Wollaston |
| Phosphor |
|
|
|
|
|
|
|
Brand |
| Platin |
|
|
|
|
|
|
|
Wood |
| Plutonium |
|
|
|
|
|
|
|
Seaborg/Kennedy/Wahl/McMillan |
| Polonium |
|
|
|
|
|
|
|
Curie |
| Praseodym |
|
|
|
|
|
|
|
Weisbach |
| Promethium |
|
|
|
|
|
|
|
Coryell/Glendenin |
| Protactinium |
|
|
|
|
|
|
|
Hahn/Meitner |
| Quecksilber |
|
|
|
|
|
|
|
- |
| Radium |
|
|
|
|
|
|
|
Curie |
| Radon |
|
|
|
|
|
|
|
Dorn |
| Rhenium |
|
|
|
|
|
|
|
Noddack |
| Rhodium |
|
|
|
|
|
|
|
Wollaston |
| Rubidium |
|
|
|
|
|
|
|
Bunsen/Kirchhoff |
| Ruthenium |
|
|
|
|
|
|
|
Claus |
| Samarium |
|
|
|
|
|
|
|
de Boisbaudran |
| Sauerstoff |
|
|
|
|
|
|
|
Scheele/Priestley |
| Scandium |
|
|
|
|
|
|
|
Nilson |
| Schwefel |
|
|
|
|
|
|
|
- |
| Selen |
|
|
|
|
|
|
|
Berzelius |
| Silber |
|
|
|
|
|
|
|
- |
| Silicium |
|
|
|
|
|
|
|
Berzelius |
| Stickstoff |
|
|
|
|
|
|
|
Scheele |
| Strontium |
|
|
|
|
|
|
|
Davy |
| Tantal |
|
|
|
|
|
|
|
Ekeberg |
| Technetium |
|
|
|
|
|
|
|
Perrier/Segré |
| Tellur |
|
|
|
|
|
|
|
v. Reichstein |
| Terbium |
|
|
|
|
|
|
|
Mosander |
| Thallium |
|
|
|
|
|
|
|
Crookes |
| Thorium |
|
|
|
|
|
|
|
Berzelius |
| Thulium |
|
|
|
|
|
|
|
Cleve |
| Titan |
|
|
|
|
|
|
|
Gregor/Klaproth |
| Uran |
|
|
|
|
|
|
|
Klaproth |
| Vanadin |
|
|
|
|
|
|
|
Sefström |
| Wasserstoff |
|
|
|
|
|
|
|
Cavendish |
| Wolfram |
|
|
|
|
|
|
|
Pott |
| Xenon |
|
|
|
|
|
|
|
Ramsay |
| Ytterbium |
|
|
|
|
|
|
|
Marignac |
| Yttrium |
|
|
|
|
|
|
|
Gadolin |
| Zink |
|
|
|
|
|
|
|
Schwab |
| Zinn |
|
|
|
|
|
|
|
Ägypten |
| Zirkonium |
|
|
|
|
|
|
|
Berzelius |