A.离子的氧化性:S2-<Br-<I- | B.离子的还原性:Br-<I-<S2- |
C.元素的非金属性:Br>S>I | D.单质的氧化性:Br2<I2<S |
A.X2Y | B.X2Y2 | C.XY2 | D.XY3 |
⑧ | | | |||||
| ① | | ② | | ③ | ④ | |
⑤ | | | | | ⑥ | ⑦ | |
族 周期 | IA | IIA | IIIA | IVA | VA | VIA | VIIA |
2 | | | | a | b | | |
3 | d | e | f | g | | h | i |
A.①③④ | B.②③⑤ | C.②④⑤ | D.①③⑤ |
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