| Attribute | Value |
|---|---|
| Symbol | Cf |
| Standard state | Solid |
| Atomic mass | 251.07959 u |
| Electron configuration | [Rn]7s²5f¹⁰ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 1.3 |
| Atomic radius (van der waals) | 245 pm |
| Ionization energy | 6.3 eV |
| Melting point | 1173 K |
| Atomic number | 98 |
| Group name | Actinide |
| Discovered | 1950 year |
| Electron affinity | Add |
| Boiling point | Add |
| Density | Add |