Berkelium
Actinide| Atomic number | 97 |
|---|---|
| Category | Actinide |
| Atomic mass | 247 |
| Electron configuration | [Rn]5f⁹ 7s² |
| Oxidation states | +3, +4 |
| Electronegativity | 1.3 |
| Melting point | 986 °C |
| Boiling point | 2,627 °C |
| Density | 14.78 g/cm³ |
| Crystal structure | Hexagonal |
| Period | 7 |
| Block | f |
| Discovered | 1,949 |
| Crustal abundance | 0 ppm |