Medical Dictionary

chlorine chlo·rine (klôr'ēn', -ĭn)
Symbol Cl
A highly irritating poisonous halogen, capable of combining with nearly all other elements, produced principally by electrolysis of sodium chloride and used widely to purify water, as a disinfectant and bleaching agent, and in the manufacture of many important compounds. Atomic number 17; atomic weight 35.45; freezing point -101.5°C; boiling point -34.0°C; specific gravity 1.56 (-33.6°C); valence 1, 3, 5, 7.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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