The halogens are a family of chemical elements that comprise an entire column of the periodic table. The most commonly found halogens in organic compounds are fluorine, chlorine, bromine, and iodine. Halogens are nonmetals, which react with metals to form salts.
As all halogens are salt-former, they are placed in the 17th group, on the left of the noble gases of the Periodic Table.
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