Bromine is one of the members of the halogen family of elements. The other members belonging to the same family comprise chlorine, fluorine, and iodine. Like the other members of the family, bromine comprises seven electrons in its outermost shell and is very reactive.
Bromine can be witnessed in various salt compounds with alkali metals. Like all reactive elements, bromine is never found solitary in nature. It always forms a part of a compound with other elements.