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Electronic configuration of Cu and Cu+1a. 3d10, 4s0, 3d9, 4s0b. 3d9, 4s1, 3d9, 4s1c. 3d10, 4s1, 3d10, 4s0d. 3d8, 4s1, 3d10, 4s0

Answer»

Correct answer is

c. 3d10, 4s1, 3d10, 4s0



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