The electronic configuration of the element which is just above the element with atomic number 43 in the same periodic group is

Options

A. `1s^2, 2s^2, 2p^6 , 3s^2, 3p^6, 3d^5 , 4s^2`
B. `1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^10, 4s^2, 4p^6`
C. `1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^6, 4s^1`
D. `1s^2, 2s^2, 2p^6, 3s^2, 3p^6 , 3d^10, 4s^1, 4p^6`

Answer

A

Explanation

`1s^2, 2s^2, 2p^6 , 3s^2, 3p^6, 3d^5 , 4s^2`