A. 对 B. 错
A. 1s22s22p63s23p63d104s24p64d15s2 B. 1s22s22p63s23p63d104s24p65s25p1 C. 1s22s22p63s23p63d104s24p65s24f1 D. 1s22s22p63s23p63d104s24p65s25d1