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Cu2+ will have the following electronic configuration:
(1) 1s2, 2s2, 2p6, 3s2, 3p6, 3d10,
(2) 1s2, 2s2, 2p6, 3s2, 3p9, 4s1
(3) 1s2, 2s2, 2p6, 3s2, 3p6, 3d9,
(4) 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s1
Ans: 1s2, 2s2, 2p6, 3s2, 3p6, 3d9,
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