Question
The maximum valency of an element with atomic number $7$ is
✓
Answer
b
(b) Valency is according to valence shall configuration which here is $1{s^2},2{s^2},2{p^3},\,\,ie.\,5$
(b) Valency is according to valence shall configuration which here is $1{s^2},2{s^2},2{p^3},\,\,ie.\,5$
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