H4A1L1O1G2E1N1
11 points
HALOGEN is validvalid
a chemical element in the seventeenth group of the periodic table [n HALOGENS]
any of the group of elements fluorine, chlorine, bromine, iodine, and astatine [n -S]
a chemical element in the seventeenth group of the periodic table [n HALOGENS]
any of the group of elements fluorine, chlorine, bromine, iodine, and astatine [n -S]