题目

下列基态原子或离子的电子排布式错误的是 A.K:1s22s22p63s23p64s1                   B.Fˉ:1s22s22p6 C.Fe:1s22s22p63s23p63d54s3                D.Kr:1s22s22p63s23p63d104s24p6 答案:C
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