Halogens: m. (Quim. ) Name given to the chemical elements forming Group VII-B of the periodic table: fluorine, chlorine, bromine, iodine, and astatine. Are they all non-metals and electronegative. They present a great oxidizer character, because of its ease to form monovalent anions. They form strong hidracidos. When they work with positive valences are compounds called halides.
