Lutetium
| Element Name | Lutetium |
|---|---|
| Symbol | Lu |
| Atomic Number | 71 |
| Group | Rare Earth |
| Crystal Structure | Hexagonal |
| Atomic Mass | 174.967 |
| Electronic Configuration | 2,8,18,32,9,2 |
| Orbital Configuration | [Xe] 4f14 5d1 6s2 |
| Valency | 3 |
| Melting Point | 1663°C |
| Boiling Point | 3402°C |
| Electo-negativity | 1.27 |
| Covalent Radius | 1.56 Å |
