Chromium vs Nickel
Pick up to 3 elements and see how they stack up.
| Property | Chromium | Nickel |
|---|---|---|
| Atomic number | 24 | 28 |
| Atomic mass | 51.996 | 58.693 |
| Electronegativity | 1.66 | 1.91 |
| Melting point | 2,180 K (1,906.8 °C) | 1,728 K (1,454.8 °C) |
| Boiling point | 2,944 K (2,670.8 °C) | 3,186 K (2,912.8 °C) |
| Density | 7.19 g/cm³ | 8.908 g/cm³ |
| Atomic radius | 189 pm | 163 pm |
| Ionization energy | 6.767 eV | 7.64 eV |
| Discovered | 1797 | 1751 |
| Category | Transition metal | Transition metal |
| State at room temp. | Solid | Solid |
| Block | d | d |
| Group | 6 | 10 |
| Period | 4 | 4 |
| Valence electrons | 1 | 2 |
| Common charges | +2, +3, +6 | +2, +3 |
| Electron configuration | [Ar] 3d5 4s1 | [Ar] 3d8 4s2 |