Q. Cr has electronic configuration as
A) $3s^{2}3p^{6}3d^{4}4s^{1}$
B) $3s^{2}3p^{6}3d^{5}4s^{1}$
C) $3s^{2}3p^{6}3d^{6}$
D) None of these
Explanation
(b)
$Cr\ (24) = 1s^{2},2s^{2},2p^{6},3s^{2},3p^{6},3d^{5},4s^{1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.