Which ion has the lowest radius from the foll | vedclass

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Question

(D) All the given ions ($Na^{+}$,$Mg^{2+}$,$Al^{3+}$,and $Si^{4+}$) are isoelectronic species,meaning they all contain $10$ electrons.For isoelectroni

Vedclass · Accepted Answer

$Si^{4+}$

Vedclass · Answer

(D) All the given ions ($Na^{+}$,$Mg^{2+}$,$Al^{3+}$,and $Si^{4+}$) are isoelectronic species,meaning they all contain $10$ electrons.For isoelectronic species,the ionic radius decreases as the nuclear charge (atomic number) increases.Since $Si^{4+}$ has the highest atomic number $(Z = 14)$ among the given ions,it exerts the strongest attraction on the electrons,resulting in the lowest ionic radius.Therefore,the correct option is $(D)$.

Which ion has the lowest radius from the following ions?

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