Research topic:halogen

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halogen

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

hal·o·gen / ˈhaləjən/ • n. Chem. any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made. ∎  [as adj.] denoting lamps and radiant heat sources using a filament surrounded by the vapor of iodine or another halogen: halogen headlights. DERIVATIVES: hal·o·gen·ic / ˌhaləˈjenik/ adj.

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Related newspaper, magazine, and trade journal articles from HighBeam Research

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Halogen's User Conference Enables Human Resource Professionals to Strengthen Their Strategic Voice.
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Newspaper article from: Albany Times Union (Albany, NY); 8/28/1991; 667 words ; ...Orange County Register Cooking with halogen is a real gas. OK, so the pun only works for those of you who know that halogen is a gas. And that's not many people. Though American manufacturers' halogen cook tops have been marketed in the...
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Related entries from encyclopedias, dictionaries, and thesauruses

Halogens
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Halogen Lamp
Book article from: How Products Are Made Halogen Lamp Background A halogen lamp is a type of incandescent lamp. The conventional incandescent...continuously reduces the light out-put over the life of the lamp. A halogen lamp comes with a few modifications to eliminate this blackening...
halogen
Book article from: The Columbia Encyclopedia, Sixth Edition ...element also classed as a halogen; its most stable isotope...resemble iodine. The halogens are the best-defined...compounds between two halogens. The halogens form numerous compounds...halocarbons. Some other halogen compounds are calomel...
Organic Halogen Compounds
Book article from: Chemistry: Foundations and Applications Organic Halogen Compounds Organic halogen compounds are a large class of natural...chemicals that contain one or more halogens (fluorine, chlorine, bromine...synthesized by treatment of benzene with halogen and a Lewis acid catalyst such as...
Iodine (revised)
Book article from: Chemical Elements: From Carbon to Krypton ...heaviest of the commonly occurring halogens. The halogens are in Group 17 (VIIA) of the...properties are similar to the lighter halogens above it, fluorine, chlorine...9045 FAMILY Group 17 (VIIA) Halogen PRONUNCIATION EYE-uh-dine...

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