Californium |
| Symbol | Cf |
|---|---|
| Latin name | Californium |
| Atomic number | 98 |
| Period | 7 |
| Element category | Inner transition elements |
| Relative atomic mass | 251.0796 |
| Group | III.B |
| Oxidation numbers | 2, 3, 4 |
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f10 6d0 7s2 |
| Density [g/cm3] | 14 |
| State | Solid |
| Melting point [°C] | 900 |
| Thermal conductivity [W m-1K-1] | 10 |
| Discovery | 1950 |
| 1.st ionization energy [eV] | 6.3 |
| Stable isotopes | 0 |
| Unstable isotopes | 12 |