Terbium
Lanthanide| Atomic number | 65 |
|---|---|
| Category | Lanthanide |
| Atomic mass | 158.93 |
| Electron configuration | [Xe]4f⁹ 6s² |
| Oxidation states | +3, +4 |
| Electronegativity | 1.2 |
| Melting point | 1,356 °C |
| Boiling point | 3,230 °C |
| Density | 8.23 g/cm³ |
| Crystal structure | Close-packed hexagonal |
| Period | 6 |
| Block | f |
| Discovered | 1,843 |
| Crustal abundance | 1.2 ppm |