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Radium
RadiumLadda ner Chemistry-applikationen för att se mer information om det kemiska elementet:
| Atomnummer | 88 |
| Periodiska systemets grupper | IIA |
| Periodiska systemets perioder | 7 |
| Massa | 226 |
| Latinskt namn | Radium |
| Elektronkonfiguration | [Rn]7s2 |
| Oxidationstillstånd | 0, 2 |