Question

why n3- and mg2+ are isoelectronic ions

Answer 1

no of electron in N=7

and no of electron in N3-=7+3=10

similarly, no of electron in Mg=12

so no of electron in Mg 2+ =12-2=10

so no of electron in N-3 =no of electron in Mg2+

so N3- and Mg 2+ are isoelectronic ions.




hope it's helpful to you.......

Answer 2

may this answer help you