Zinc vs Gallium
| Property | Zn Zinc | Ga Gallium |
|---|---|---|
| Atomic number | 30 | 31 |
| Symbol | Zn | Ga |
| Name | Zinc | Gallium |
| Category | transition-metal | post-transition-metal |
| Standard Atomic Weight | 65.38 u | 69.723 u |
| Period | 4 | 4 |
| Group | 12 | 13 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d10 | [Ar]4s23d104p1 |
| Oxidation states | [-2, 0, 1, 2] | [-5, -4, -3, -2, -1, 0, 1, 2, 3] |
| Electronegativity (Pauling) | 1.65 | 1.81 |
| Electron affinity | -0.6 eV | 0.3 eV |
| Density | 7134 kg/m³ | 5910 kg/m³ |
| Melting point | 419.53 °C | 29.76 °C |
| Boiling point | 906.85 °C | 2203.85 °C |
| Discovery year | 1746 | 1875 |