Q. The valence shell electronic configuration of $Cr^{2 +}$ ion is
A) $4s^{0}3d^{4}$
B) $3p^{6}4s^{2}$
C) $4s^{2}3d^{2}$
D) $4s^{2}3d^{0}$
Explanation
The correct answer is Option A: $4s^{0}3d^{4}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.