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Francium
FranciumLadda ner Chemistry-applikationen för att se mer information om det kemiska elementet:
| Atomnummer | 87 |
| Periodiska systemets grupper | IA |
| Periodiska systemets perioder | 7 |
| Massa | 223 |
| Latinskt namn | Francium |
| Elektronkonfiguration | [Rn]7s |
| Oxidationstillstånd | 0, 1 |