Br Element Symbol
Oxidation states 5 1 1.
Br element symbol. It is the third lightest halogen and is a fuming red brown liquid at room temperature that evaporates readily to form a similarly coloured gas. Electron configuration ar 4s 2 3d 10 4p 5. 79 904 amu melting point 7 2 c 265 95. Bromine br has an atomic mass of 35.
Bromine is a chemical element with symbol br and atomic number 35. Its properties are thus intermediate between those of chlorine and iodine isolated independently by two chemists carl jacob löwig in 1825 and antoine jérôme balard in 1826. Classified as a halogen bromine is a liquid at room temperature.