| name | Iodine |
| latin | Iodum |
| french | Iode |
| german | Iod |
| symbol | I |
| proton number | 53 |
| atomic weight | 126.90447 |
| Pauling electronegativity | 2.66 |
| electronic configuration | [Kr] 4d105s25p5 1s22s22p63s23p63d104s24p64d105s25p5 |
| melting point | 386.85 K, 113.7°C, 236.66°F |
| boiling point | 457.4 K, 184.25°C, 363.65°F |
| group | 17 |
| period | 5 |
| state (by 20°C) | solid |
| oxidation states | -1, +1, +3, +5, +7 |
| Year of discovery | Discoverer |
| 1811 | Bernard Courtois |