(i) Na+, Mg2+
(ii) Al3+, O–
(iii) Na+, O2-
(iv) N3-, Cl–
Correct Answers: (i) Na+, Mg2+ (iii) Na+, O2-
Explanation: Isoelectronic species are the atoms / ions that has the same number of electrons.
(i) Na+, Mg2+
(ii) Al3+, O–
(iii) Na+, O2-
(iv) N3-, Cl–
Correct Answers: (i) Na+, Mg2+ (iii) Na+, O2-
Explanation: Isoelectronic species are the atoms / ions that has the same number of electrons.