Question
If the valency shell electronic structure for an element is $n{s^2}n{p^5}$, this element will belong to the group of
✓
Answer
d
The valence shell or orbital electronic configuration of halogens($17^{th}$ group elements) is $n s^2 \,n p^5$.
The valence shell or orbital electronic configuration of halogens($17^{th}$ group elements) is $n s^2 \,n p^5$.
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