Iodine
(Redirected from I)
| Iodine | |
|---|---|
| I | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 53 |
| Atomic mass: | 126.90447 |
| group: | 17 |
| period: | 5 |
| normal phase: | Solid |
| series: | Halogens |
| density: | 4.933 g/cm3 |
| melting point: | 386.85K, 113.7°C, 236.66°F |
| boiling point: | 457.4K, 184.3°C, 363.7°F |
| Se ← Br → Kr | |
| Te ← I → Xe | |
| Po ← At → Rn | |
| Atomic radius (pm): | 140 |
| Bohr radius (pm): | 115 |
| Covalent radius (pm): | 133 |
| Van der Waals radius (pm): | 198 |
| ionic radius (pm): | (-1) 220 |
| 1st ion potential (eV): | 10.45 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p5 | |
| Electrons Per Shell | |
| 2, 8, 18, 18, 7 | |
| Electronegativity: | 2.66 |
| Electron Affinity: | 3.06 |
| Oxidation states: | +/-1, 5, 7 |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Orthorhombic |
Iodine is a Halogen in group 17.
It has a Orthorhombic crystalline structure.
This element has a stable isotope of 127
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