| Element | Lutetium | Symbol | Lu |
| Atomic Number | 71 | Molar Mass | 174.97 gmol-1 |
| Electron Configuration | [Xe]4f145d16s2 | Normal State | solid metal |
| Density @STP | 9.84 g cm-3 | Melting Point | 1663oC |
| Boiling Point | 3402oC | Stable Isotopes | 175Lu, 176Lu |
| Atomic Radius | 172 pm | Ionic Radius | 85 (3+) pm |
| Electronegativity (Pauling) | 1.27 | Ionization Energy (1st) | 524 kJ mol-1 |
| Ionization Energy (2nd) | 1340 kJ mol-1 | Ionization Energy (3rd) | 2022 kJ mol-1 |
| Molar Heat Capacity | 26.9 J K-1mol-1 | Standard Molar Entropy | 51 J K-1mol-1 |
| Enthalpy of Fusion | 19.2 kJ mol-1 | Enthalpy of Vapourization | 428 kJ mol-1 |