Periodic TableHard

Question

Which one of the following sets of ions represents a collection of isoelectronic species?

Options

A.K⁺, Cl^-, Ca²⁺, Sc³⁺

B.Ba²⁺, Sr²⁺, K⁺, S^2-

C.N^3-, O^2-, F^-, S^2-

D.Li⁺, Na⁺, Mg²⁺, Ca²⁺

Solution

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