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Question

Chemistry Question on Atomic Structure

Which of the following sets of ion represents a collection of isoelectronic species?

A

N3- , O2- , F- , S2-

B

Ba2+, Sr2+, K2+, Ca2+

C

K+, Cl- , Ca2+, Sc3+

D

Li+, Na+, Mg2+, Ca2+

Answer

K+, Cl- , Ca2+, Sc3+

Explanation

Solution

The correct option is (C): K+, Cl- , Ca2+, Sc3+