| Cr | Chromium | Transition Metal |
| Atomic number: | 24 | Atomic weight: | 51.9961 | ||
| Shells: | 2,8,13,1 | Orbitals: | [Ar] 3d5 4s1 | ||
| Melting point: | 1857°C | Boiling point: | 2672°C | ||
| Covalent radius: | 1.18 | Å | Atomic volume: | 7.23 | cm³/mol |
| Atomic radius: | 1.85 | Å | Ionic radius: | .62 (+3) | Å |
| Electronegativity: | 1.66 | Oxidation states: | 6,(3),2 | ||
| 1st ionization pot.: | 6.7666 | V | 2nd ionization pot.: | 16.50 | V |
| 3rd ionization pot.: | 30.96 | V | Specific heat: | 0.45 | J/gK |
| Heat of fusion: | 16.90 | kJ/mol | Heat of vapor.: | 344.30 | kJ/mol |
| Thermal conduct.: | 0.937 | W/cmK | Electrical conduct.: | 0.0774 | 10^6/cm ohm |
| Density: | 7.19 | g/cm³ | Valence: | 2,3,6 |