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halogen
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halogen
n.
any of a number of electronegative elements which form a salt when united with metals (Chemistry)
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Halogen
The halogens or halogen elements () are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The artificially created element 117 (ununseptium) may also be a halogen. In the modern IUPAC nomenclature, this group is known as group 17.
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halogen
Noun
1. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
(hypernym) group, grouping
(hyponym) astatine, At, atomic number 85
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Halogen (das)
n.
halogen, any of a number of electronegative elements which form a salt when united with metals (Chemistry)
halogen
adj.
halogenous, of or pertaining to halogen
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halogen
n.
halogen
