Choose the correct subshell electronic configuration *
24Cr - 1s2 2s2 2p6 3s2 3p6 3d4 4s2
29Cu - 1s2 2s2 2p6 3s2 3p6 3d10 4s1
Fe3+ -- 1s2 2s2 2p6 3s2 3p6 3d5
Fe2+-- 1s2 2s2 2p6 3s2 3p6 3d6 4s1
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option ii is correct
please mark me the brainlest
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