A.加热条件下,氯气和硫分别与铜反应,比较生成物中铜的化合价 |
B.比较氯化氢和硫化氢的热稳定性 |
C.往H2S溶液中通入氯气 |
D.分别测定0.1mol/L氯化钠溶液和0.1mol/L硫化钠溶液的pH |
| | | | | | | |
| | | A | D | | E | |
| | G | | | J | L | |
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 |
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