Bromine is a chemical element with symbol Br and atomic number 35. 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.
Atomic Weight: 79.904
Density: 3.12 g/cm3
Melting Point: -7.3 °C
Boiling Point: 59 °C
