Chemical compound of 2 or more halogens
interhalogen compound
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Interhalogen compounds
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An interhalogen compound is a molecule which contains two or more different halogen atoms (fluorine, chlorine, bromine, iodine, or astatine) and no atoms of elements from any other group. Most interhalogen compounds known are binary (composed of only two distinct elements). Their formulae are generally XYn, where n = 1, 3, 5 or 7, and X is the less electronegative of the two halogens. The value of "n" in interhalogens is always odd, because of the odd valence of halogens. They are all prone to hydrolysis, and ionize to give rise to polyhalogen ions. Those formed with astatine have a very short half-life due to astatine being intensely radioactive. No interhalogen compounds containing three or more different halogens are definitely known, although a few books claim that IFCl 2 and IF 2Cl have been obtained, and theoretical studies seem to indicate that some compounds in the series BrClF n are barely stable.
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Interhalogen compound
Interhalogen compounds
Iodine pentabromide
Astatine monochloride
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