27Co的基态原子核外电子排布式为()

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27Co的基态原子核外电子排布式为()

A.1s22s22p63s23p64s23d7

B.1s22s22p63s23p63d64s24p1

C.1s22s22p63s23p63d74s2

D.1s22s22p63s23p63d9

E.1s22s22p63s23p63d54s24p2

F.1s22s22p63s23p64s24p65s1

参考答案:

答案:1s22s22p63s23p63d74s2