| Content-Type | image/png |
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| Content-Length | 6.75 kB |
| Size | 512x512 |
#53 Iodine - rarity ZERO-KELVIN
| 1st ionization energy | 10.451 eV | 0.85% |
|---|---|---|
| appearance | Solid: Lustrous metallic gray Liquid: Violet colored liquidGas: Violet gas | 0.85% |
| atomic mass | 126.90 u | 0.85% |
| atomic number | 53 | 0.85% |
| atomic radius | 198 picometers (van der Waals radius) | 0.85% |
| boiling point | 457.4 K or 184.3 °C or 363.7 °F | 0.85% |
| cas number | 7553-56-2 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Halogens | 3.39% |
| crystal structure | Orthorhombic | 6.78% |
| density | 4.94 g/cm3 | 0.85% |
| electronegativity | 2.66 (Pauling scale) | 0.85% |
| electronic configuration | [Kr] 4d10 5s2 5p5 | 0.85% |
| electrons | 53 | 0.85% |
| electrons arrangement | 2, 8, 18, 18, 7 | 0.85% |
| main isotopes | 127I | 0.85% |
| melting point | 386.8 K or 113.7 °C or 236.6 °F | 0.85% |
| neutrons | 74 | 0.85% |
| position | Group: 17, Period: 5, Block: p | 0.85% |
| rarity | ZERO-KELVIN | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | I | 0.85% |
| valence electrons | 7 | 3.39% |
| who discovered | Bernard Courtois in 1811 | 0.85% |
Total Rarity Score: 2204.14
Rarity: #6/354