Bromine (Br)
A deep red fuming liquid at room temperature.
One of only two elements that are liquid at room temperature.
Element properties
- Atomic number
- 35
- Symbol
- Br
- Atomic mass
- 79.904 u
- Category
- Halogen
- Period
- 4
- Group
- 17
- Block
- p
- State
- Liquid
- Electron configuration
- [Ar] 3d10 4s2 4p5
- Electronegativity (Pauling)
- 2.96
- Density
- 3.1028 g/cm³
- Melting point
- -7.2 °C
- Boiling point
- 58.8 °C
Uses
- Flame retardants
- Water purification
- Photography