Appeared in: 2026 (2 sets)
Electronic configuration of chromium is :
(A) $[\text{Ar}]\text{ 3d}^4\text{ 4s}^1$
(B) $[\text{Ar}]\text{ 3d}^4\text{ 4s}^2$
(C) $[\text{Ar}]\text{ 3d}^5\text{ 4s}^1$
(D) $[\text{Ar}]\text{ 3d}^5\text{ 4s}^2$