Which set represents isoelectronic species?

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Na+ , Mg2+ Al3+, Cl-

Na+ , Ca2+ , Sc3+, F-

K+ , Cl- , Mg2+ , Sc3+

K+ , Cl- , Ca2+ , Sc3+

answer is D.

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Detailed Solution

Species having same number of electrons and same electronic configuration are iso electronic species

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