Question

Electronic configurations of four elements A, B, C and D are given below: (A) 1s2 2s12p6 (B) 1 s2 2s2 2p4 (C) 1s2 2s2 2p6 3s1 (D) Is2 2s2 2p5 Which of the following is the correct order of increasing tendency to gain electron?
1)A<C<B<D
2)A<B<C<D
3) D<B<C<A
4)D<A<B<C​

Answer 1

Explanation:

I hope A<C<B<D Answer correct