Attribute | Bromine × | Iodine × |
---|---|---|
Atomic mass (u) | 79.9 | 126.9045 |
Standard state | Liquid | Solid |
Oxidation states |
|
|
Electron configuration | [Ar]4s²3d¹⁰4p⁵ | [Kr]5s²4d¹⁰5p⁵ |
Atomic radius (van der waals) (pm) | 183 | 198 |
Electronegativity (pauling scale) | 2.96 | 2.66 |
Electron affinity (eV) | 3.365 | 3.059 |
Ionization energy (eV) | 11.814 | 10.451 |
Boiling point (K) | 331.95 | 457.55 |
Melting point (K) | 265.95 | 386.85 |
Density (g/cm³) | 3.11 | 4.93 |
Atomic number | 35 | 53 |
1↑Group name | Halogen | Halogen |
Discovered (year) | 1826 | 1811 |
Symbol | Br | I |