Question

9. Fluorine and chlorine has atomic number 9 and 17 respectively. What are the number of

valence electrons present in each one of them?​

Answer 1

Answer:

number of valence electron present in the flourine is 7 and the number of valence electron also present in chlorine is 7 because both are belongs to the same group and their valency is 1 both belongs to the halogen group.

Explanation:

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