Bromine
Properties, Uses, & Facts
bromine (Br), chemical element, a deep red noxious liquid, and a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
| atomic number | 35 |
|---|---|
| atomic weight | [79.901, 79.907] |
| melting point | −7.2 °C (19 °F) |
| boiling point | 59 °C (138 °F) |
| specific gravity | 3.12 at 20 °C (68 °F) |
| oxidation states | −1, +1, +3, +5, +7 |
| electron configuration | (Ar)3d104s24p5 |
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