Question

what do you mean dy halogens?

Answer 1

A Halogen is a group of Elements
(See attached picture for a clear understanding these are all the halogens in the periodic table)


Hope it helps

Answer 2

The elements which are located in the 17th column of the Periodic Table are known as Halogens.

These are Fluorine, Chlorine, Bromine, Iodine, Astatine.

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