WHAT ARE HALOGEN????
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The halogens are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine. The artificially created element 117, tennessine, may also be a halogen. In the modern IUPAC nomenclature, this group is known as group 17.
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hey there here is ur answer...
halogens are the group of elements belonging to group 17 the have special property of electron affinity...
eg. Cl, Br, etc....
please mark as brainliest answer
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