| Attribute | Value |
|---|---|
| Symbol | Ni |
| Standard state | Solid |
| Atomic mass | 58.693 u |
| Electron configuration | [Ar]4s²3d⁸ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 1.91 |
| Atomic radius (van der waals) | 163 pm |
| Ionization energy | 7.64 eV |
| Electron affinity | 1.156 eV |
| Melting point | 1728 K |
| Boiling point | 3186 K |
| Density | 8.912 g/cm³ |
| Atomic number | 28 |
| Group name | Transition metal |
| Discovered | 1751 year |