题目列表(包括答案和解析)
A.1s22s22p63s23p1? B.1s22s22p5?
C.1s22s22p63s23p4? D.1s22s22p1??
A.1s22s22p63s23p1? B.1s22s22p3
C.1s22s22p2 D.1s22s22p63s23p4??
A.1s22s22p63s23p2 B.1s22s22p3
C.1s22s22p2 D.1s22s22p63s23p4
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