A pale green gas that kills bacteria, bleaches fabric — and, bound to sodium, sits on your dinner table.
- Atomic number
- 17
- Atomic mass
- 35.45 u
- Phase
- Gas
- Electron configuration
- [Ne] 3s² 3p⁵
- Melting point
- 171.6 K · -101.5 °C
- Boiling point
- 239.11 K · -34 °C
- Density
- 0.003 g/cm³
- Electronegativity
- 3.16
- Period / Group
- 3 / 17
- Discovery year
- 1774