| Lutetium ✕ | |
|---|---|
| Symbol | Lu |
| Atomic number | 71 |
| Chemical property | Lanthanide |
| Origin o the name | Lutetia, the Latin name for Paris |
| Period | 6 |
| Atomic weight (u) | 174.9668 |
| Atomic weight uncertainty (u) | 0.0001 |
| Density (g/cm³) | 9.84 |
| Melting point (K) | 1925 |
| Boiling point (K) | 3675 |
| Heat capacity (J/(g·K)) | 0.154 |
| Electro-negativity | 1.27 |
| Abundance in earth's crust (mg/kg) | 0.8 |