Iodine vs Nihonium
| Property | I Iodine | Nh Nihonium |
|---|---|---|
| Atomic number | 53 | 113 |
| Symbol | I | Nh |
| Name | Iodine | Nihonium |
| Category | halogen | post-transition-metal |
| Standard Atomic Weight | 126.90447 u | 286 u |
| Period | 5 | 7 |
| Group | 17 | 13 |
| Block | p | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s24d105p5 | [Rn] 5f14 6d10 7s2 7p1(predicted) |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 6, 7] | N/A |
| Electronegativity (Pauling) | 2.66 | N/A |
| Electron affinity | 3.059 eV | 0.6 eV |
| Density | 4930 kg/m³ | 1.600000e+4 kg/m³ |
| Melting point | 113.7 °C | 426.85 °C |
| Boiling point | 184.4 °C | 1156.85 °C |
| Discovery year | 1811 | 2004 |