\(1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{4}\)
\(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{6}\)
\(1s^{2}2s^{2}2p^{6}3s^{2}3d^{4} 4s^{1}\)
\(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{1}3d^{5}\)
Correct answer is D
Electronic configuration of Chromium: \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{1}3d^{5}\)