Which element in the N family (Group 15) has | vedclass

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(A) The ionic radius of ions with the same charge increases down the group as the number of shells increases. For the $N$ family (Group $15$),the $M^{

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$N^{3-}$

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(A) The ionic radius of ions with the same charge increases down the group as the number of shells increases. For the $N$ family (Group $15$),the $M^{3-}$ ions are $N^{3-}, P^{3-}, As^{3-}, Sb^{3-}$,and $Bi^{3-}$. As we move down the group from $N$ to $Bi$,the principal quantum number $(n)$ increases,leading to an increase in the size of the ion. Therefore,the ion with the smallest size is the one at the top of the group,which is $N^{3-}$.

Which element in the $N$ family (Group $15$) has the minimum ionic radius for its $M^{3-}$ ion?

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