题目内容
下列微粒中,未成对电子数最多的是( )。
A.O:1s22s22p4 | B.P:1s22s22p63s23p3 |
C.Cr:1s22s22p63s23p63d54s1 | D.Mn:1s22s22p63s23p63d54s2 |
C
略
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题目内容
A.O:1s22s22p4 | B.P:1s22s22p63s23p3 |
C.Cr:1s22s22p63s23p63d54s1 | D.Mn:1s22s22p63s23p63d54s2 |