Iodine
Electron Configuration
|
General Properties
| Atomic Symbol | I |
| Atomic Weight | 1216.9045 g/mol |
| Element Number | 53 |
| Standard State | Solid |
| Standard Type | Strongly Basic |
| Date of Discovery | 1811 |
| Discoverer | Courtois |
Physical Properties
| Oxidation States | +/-1, 5,7 |
| Boiling Point | 457.5 K |
| Melting Point | 386.7 K |
| Density | 4.93 g/cm³ |
| Electron Configuration | [Kr]4d10,5s2,p5 |
| Acid/Base Properties | Acidic |
| Crystal Structure | Orthorhombic |
| Electronegativity | 2.66 |
| Heat of Vaporization | 20.9 kJ/mol |
| Heat of Fusion | 7.76 kJ/mol |
| Electrical Conductivity | 10e-11 10^6omg-¹cm-¹ |
| Thermal Conductivity | 0.449 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.145 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 10.451 |
| Atomic Volume | 25.70 cm³/mol |
| Atomic Radius | 1.32 Å |
| Covalent Radius | 1.33 Å |
| Synthetic | No |