29号元素Cu的基态电子组态为()

29号元素Cu的基态电子组态为()

A.1s22s22p63s23p63d94s2

B.1s22s22p63s23p63d104s1

C.1s22s22p63s23p64s23d9

D.1s22s22p63s23p64s13d10

正确答案:B

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