Definitions for halogenˈhæl ə dʒən, -ˌdʒɛn, ˈheɪ lə-

This page provides all possible meanings and translations of the word halogen

Princeton's WordNet

  1. halogen(noun)

    any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions

Wiktionary

  1. halogen(Noun)

    Any element of group 7, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal.

  2. Origin: From ἅλς + -gen, referring to elements which produce a salt in union with a metal.

Webster Dictionary

  1. Halogen(noun)

    an electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine

  2. Origin: [Gr. "a`ls, "alo`s, salt + -gen: cf. F. halogne.]

Freebase

  1. Halogen

    The halogens or halogen elements are a group in the periodic table consisting of five chemically related elements, fluorine, chlorine, bromine, iodine, and astatine. The artificially created element 117 may also be a halogen. In the modern IUPAC nomenclature, this group is known as group 17. The group of halogens is the only periodic table group which contains elements in all three familiar states of matter at standard temperature and pressure. All of the halogens form acids when bonded to hydrogen. Most halogens are typically produced from minerals of salts. The middle halogens, that is, chlorine, bromine and iodine, are often used as disinfectants. The halogens are also all toxic.


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