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Cesium
CesiumLadda ner Chemistry-applikationen för att se mer information om det kemiska elementet:
| Atomnummer | 55 |
| Periodiska systemets grupper | IA |
| Periodiska systemets perioder | 6 |
| Massa | 132.90546 |
| Latinskt namn | Caesium |
| Elektronkonfiguration | [Xe]6s |
| Oxidationstillstånd | -1, 0, 1 |