Q20Multiple correct
In which of the following pairs, the ions are iso-electronic?
- (i)Na+, Mg2+
- (ii)Al3+, O–
- (iii)Na+, O2– –
- (iv)N3–, Cl
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(i) Na+, Mg2+
(iii) Na+, O2– –
In which of the following pairs, the ions are iso-electronic?
(i) Na+, Mg2+
(iii) Na+, O2– –