Question

Which one of the following set of ions
represents a collection of isoelectronic
species?
A
Mg2+, Sr2+, K+, Ca2+
B.
N3-, 02-, F-, s2-
С
Li+, Na+, Mg2+, Ca2+
D
K+, Cl-, Ca2+, S2-​

Answer 1

Answer:

(D) is correct option

Explanation:

isoelectronic species are those which contain same no of electrons