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Kalcium
KalciumLadda ner Chemistry-applikationen för att se mer information om det kemiska elementet:
| Atomnummer | 20 |
| Periodiska systemets grupper | IIA |
| Periodiska systemets perioder | 4 |
| Massa | 40.078 |
| Latinskt namn | Calcium |
| Elektronkonfiguration | [Ar]4s2 |
| Oxidationstillstånd | 0, 1, 2 |