Which of the following electronic configuration is that of a transitional element?

Options

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

Answer

C

Explanation

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