Which one of the following sets of ions represents a collection of isoelectronic species ? (Given : Atomic Number : F : 9, Cl : 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21) (A) N3–, O2–, F

Question

Which one of the following sets of ions represents a collection of isoelectronic species ? (Given : Atomic Number : F : 9, Cl : 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)

(A) N3–, O2–, F–, S2–
(B) Li+, Na+, Mg2+, Ca2+
(C) Ba2+, Sr2+, K+, Ca2+
(D) K+, Cl–, Ca2+, Sc3+

Prashant Kotian · Accepted Answer

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