Lutetium
Lanthanide| Atomic number | 71 |
|---|---|
| Category | Lanthanide |
| Atomic mass | 174.97 |
| Electron configuration | [Xe]4f¹⁴ 5d¹ 6s² |
| Oxidation states | +3 |
| Electronegativity | 1.27 |
| Melting point | 1,652 °C |
| Boiling point | 3,402 °C |
| Density | 9.84 g/cm³ |
| Crystal structure | Close-packed hexagonal |
| Period | 6 |
| Block | f |
| Discovered | 1,907 |
| Crustal abundance | 0.8 ppm |