A.2d | B.3p | C.3f | D.1p |
A.O2—的结构示意图: |
B.碳原子的L层电子轨道表示式: |
C.硫离子的核外电子排布式:1s22s22p63s23p4 |
D.碳-12原子: 12 6C |
A.O:1s22s22p4 | B.P:1s22s22p63s23p3 |
C.Cr:1s22s22p63s23p63d54s1 | D.Mn:1s22s22p63s23p63d54s2 |
A.2s22p3 | B.2s22p4 | C.2s22p5 | D.2s22p6 |
A.2 | B.8 | C.10 | D.18 |
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