Multiple choice The electronic configuration of chromium (Z = 24) is 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1 1s2, 2s2, 2p6, 3s2, 3p6, 3d6, 4s0 1s2, 2s2, 2p6, 3s2, 3p6, 3d4 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The electronic configuration of chromium (Z = 24) is 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1.