| Bromine ✕ | |
|---|---|
| Symbol | Br |
| Atomic number | 35 |
| Chemical property | Reactive nonmetal |
| Origin o the name | the Greek bromos, 'stench' |
| Group | 17 |
| Period | 4 |
| Atomic weight (u) | 79.904 |
| Density (g/cm³) | 3.122 |
| Melting point (K) | 265.8 |
| Boiling point (K) | 332 |
| Heat capacity (J/(g·K)) | 0.474 |
| Electro-negativity | 2.96 |
| Abundance in earth's crust (mg/kg) | 2.4 |