Number of valence electrons in Cl– ion are (a) 16 (b) 8 (c) 17 (d) 18
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
Solution:
(b) 8
The electronic distribution of Cl is K-2, L-8, M-7. Valence electrons are 7; hence, chlorine gains one electron for the formation of Cl–. Therefore, its valency is 8.
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