H4A1L1O1G2E1N1S1
12 points
HALOGENS is validvalid
HALOGEN, a chemical element in the seventeenth group of the periodic table [n]
HALOGEN, any of the group of elements fluorine, chlorine, bromine, iodine, and astatine [n]
HALOGEN, a chemical element in the seventeenth group of the periodic table [n]
HALOGEN, any of the group of elements fluorine, chlorine, bromine, iodine, and astatine [n]