Question

ASSERTION:- Valence electrons of Cl are 7 and valency is -1 REASON:- The valency of an element is determined by the number of valence electrons present in the outermost shell of its atom. a
b
c
d​

Answer 1

Answer:

Valency is defined as the combining capacity of atoms or molecules. It is obtained from the number of electrons present in the outermost shell of an atom. The atomic number of chlorine is 17 and the electronic configuration is 2, 8, 7. Therefore, the valency of chlorine is 1.

Explanation:

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