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hal•o•gen



Pronunciation: (hal'u-jun, -jen", hā'lu-), [key]
—n. Chem.
any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

halo effecthalogenate
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