Francium
| Element Name | Francium |
|---|---|
| Symbol | Fr |
| Atomic Number | 87 |
| Group | Alkali Metal |
| Crystal Structure | Cubic: Body centered |
| Atomic Mass | -223.0197 |
| Electronic Configuration | 2,8,18,32,18,8,1 |
| Orbital Configuration | [Rn] 7s1 |
| Valency | 1 |
| Melting Point | 27°C |
| Boiling Point | 677°C |
| Electo-negativity | 0.7 |
| Covalent Radius | -- |
