Below are possible answers for the crossword clue Least active of the halog.
6 letter answer(s) to least active of the halog
IODINE
a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
Iodine - a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
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