Question

Which of the following is correct order of size?
(a) Na> N-3 > Mg+2
(b) Mg+2> Na> N-3
(c) N-3 > Na > Mg+2 (d) Mg+2> N-3 > Na​

Answer 1

Explanation:

the correct answer is option on 1

as the one which gained electron will have greater size compared to other

the one which doesn't loses electron will be next

but in this case u need to see it by no of orbital are there by having electrons in it

so in the option 1. it is correct

thank you..