Question

why element of group 17 ccalled halogen​

Answer 1

Answer:

Group 17 elements are called halogens because halogen is a Greek word which means 'salt producing'. Halogens include fluorine, chlorine, bromine, iodine and astatine. They all are non-metals. They react with metals to form compounds called salts.

Answer 2

Answer:

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because they produce salt and the meaning of halogen is the salt

and halogen is the greek word