Calcium
| Element Name | Calcium |
|---|---|
| Symbol | Ca |
| Atomic Number | 20 |
| Group | Alkali Earth Metal |
| Crystal Structure | Cubic: Face centered |
| Atomic Mass | 40.078 |
| Electronic Configuration | 2,8,8,2 |
| Orbital Configuration | [Ar] 4s2 |
| Valency | 2 |
| Melting Point | 839°C |
| Boiling Point | 1484°C |
| Electo-negativity | 1 |
| Covalent Radius | 1.74 Å |
