Zinc vs Iodine
| Property | Zn Zinc | I Iodine |
|---|---|---|
| Atomic number | 30 | 53 |
| Symbol | Zn | I |
| Name | Zinc | Iodine |
| Category | transition-metal | halogen |
| Standard Atomic Weight | 65.38 u | 126.90447 u |
| Period | 4 | 5 |
| Group | 12 | 17 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d10 | [Kr]5s24d105p5 |
| Oxidation states | [-2, 0, 1, 2] | [-1, 1, 2, 3, 4, 5, 6, 7] |
| Electronegativity (Pauling) | 1.65 | 2.66 |
| Electron affinity | -0.6 eV | 3.059 eV |
| Density | 7134 kg/m³ | 4930 kg/m³ |
| Melting point | 419.53 °C | 113.7 °C |
| Boiling point | 906.85 °C | 184.4 °C |
| Discovery year | 1746 | 1811 |