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{%type%} Definitions

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Short "hint"

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

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Usage examples (33)
  • There is a group of closely allied elements to which the name halogen
  • Like ammonia it forms salts with the halogen acids.
  • She shone her halogen flashlight through the hangar.
  • ~Action of the halogen elements on potassium hydroxide.
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