Radium
| Element Name | Radium |
|---|---|
| Symbol | Ra |
| Atomic Number | 88 |
| Group | Alkali Earth Metal |
| Crystal Structure | Cubic: Body centered |
| Atomic Mass | -226.0254 |
| Electronic Configuration | 2,8,18,32,18,8,2 |
| Orbital Configuration | [Rn] 7s2 |
| Valency | 2 |
| Melting Point | 700°C |
| Boiling Point | 1140°C |
| Electo-negativity | 0.9 |
| Covalent Radius | -- |
