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See also: Halogen

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EnglishEdit

EtymologyEdit

From ἅλς (háls), "salt" or "sea" + γεν- (gen-), "to produce" (coined by Berzelius in 1842).[1]

PronunciationEdit

NounEdit

halogen (plural halogens)

  1. (chemistry) Any element of group 17, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal.

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