Californium
Actinide| Atomic number | 98 |
|---|---|
| Category | Actinide |
| Atomic mass | 251 |
| Electron configuration | [Rn]5f¹⁰ 7s² |
| Oxidation states | +3 |
| Electronegativity | 1.3 |
| Melting point | 900 °C |
| Boiling point | 1,470 °C |
| Density | 15.1 g/cm³ |
| Crystal structure | Hexagonal |
| Period | 7 |
| Block | f |
| Discovered | 1,950 |
| Crustal abundance | 0 ppm |