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Kalsium
KalsiumLaai Chemie-toepassing af om meer inligting oor die chemiese element te sien:
| Atoomgetal | 20 |
| Periodieke tabel groep | IIA |
| Periode | 4 |
| Massa | 40.078 |
| Latynse naam | Calcium |
| Elektronkonfigurasie | [Ar]4s2 |
| Oksidasie toestand | 0, 1, 2 |