bn:00042691n
Noun Concept
Categories: Groups in the periodic table, Articles with short description, Halogens
EN
halogen  group 17  Halogen Group  Biological roles of halogens  dihalo
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EN
The halogens are a group in the periodic table consisting of five or six chemically related elements: fluorine, chlorine, bromine, iodine, and astatine. Wikipedia
Any of the elements of the halogen family, consisting of fluorine, chlorine, bromine, iodine, and astatine. OmegaWiki
Any element of group 17, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal. Wiktionary
Any element of group 17. Wiktionary (translation)