Question
Element having atomic number $17$ is placed in
✓
Answer
d
$(d)$ $17 - 1{s^2}2{s^2}2{p^6}3{s^2}3{p^5}$.
$(d)$ $17 - 1{s^2}2{s^2}2{p^6}3{s^2}3{p^5}$.
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