Question

What do you understwnd by halogen.

Answer 1

the halogen are the atom other than oxygen and carbon in the compound. the halogen are chlorine and bromine

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Answer 2

fluorine, chlorine, bromine, iodine (I), and astatine. are the halogens of the periodic table. In the group 17 of the periodic table. They have 7 valence electrons. And their valency is 1.