| Attribute | Value |
|---|---|
| Symbol | Br |
| Standard state | Liquid |
| Atomic mass | 79.9 u |
| Electron configuration | [Ar]4s²3d¹⁰4p⁵ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 2.96 |
| Atomic radius (van der waals) | 183 pm |
| Ionization energy | 11.814 eV |
| Electron affinity | 3.365 eV |
| Melting point | 265.95 K |
| Boiling point | 331.95 K |
| Density | 3.11 g/cm³ |
| Atomic number | 35 |
| Group name | Halogen |
| Discovered | 1826 year |