Chromium vs Zinc
| Property | Cr Chromium | Zn Zinc |
|---|---|---|
| Atomic number | 24 | 30 |
| Symbol | Cr | Zn |
| Name | Chromium | Zinc |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 51.9961 u | 65.38 u |
| Period | 4 | 4 |
| Group | 6 | 12 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]3d54s1 | [Ar]4s23d10 |
| Oxidation states | [-4, -2, -1, 0, 1, 2, 3, 4, 5, 6] | [-2, 0, 1, 2] |
| Electronegativity (Pauling) | 1.66 | 1.65 |
| Electron affinity | 0.675 eV | -0.6 eV |
| Density | 7150 kg/m³ | 7134 kg/m³ |
| Melting point | 1906.85 °C | 419.53 °C |
| Boiling point | 2670.85 °C | 906.85 °C |
| Discovery year | 1797 | 1746 |