| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 2021-05-10 | 1 | ||
| 氮是中心原子,为什么提供了孤电子对? [物质结构] | 2021-05-10 | 1 | |
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| 2021-05-09 | 2 | ||
| 老师,你们有化学会考复习资料吗 [方法与资料] | 2021-05-09 | 1 | |
| 结构里有氢键吗 --- [物质结构] | 2021-05-09 | 3 | |
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| 见下图 [电离平衡] | 2021-05-09 | 1 | |
| C那个是可逆反应不能到底吧,可以用来制 [有机化学] | 2021-05-09 | 4 |

