| Chromium | |
| Elemental State | Cr |
| Electron Configuration | 1s22s22p63s23p64s13d5 |
| First Ionization Potential | 6.767 eV |
| Electron Affinity | 0.666 eV |
| Z* | 5.133 (Clementi-Raimondi) |
| Pauling Electronegativity | 1.66 |
| Covalent Radius | 1.27 Å |
| Metallic Radius | 1.29 Å |
| Ionic Radius | 0.87 Å Cr2+ coordination number
= 6; low spin
0.94 Å Cr2+ coordination number = 6; high spin 0.755 Å Cr3+ coordination number = 6 0.55 Å Cr4+ coordination number = 4 0.69 Å Cr4+ coordination number = 6 0.40 Å Cr6+ coordination number = 4 0.58 Å Cr6+ coordination number = 6 |
| van der Waal's Radius | |
| Melting Point | 1907 oC |
| Boiling Point | 2671 oC |
| Density | 7.19 g/cm3 |
| Other Properties | |