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中学化学知识拾零八则
⑹ 常温下常见物质的状态: ① 呈液态的单质有Br2、Hg; ② 呈气态的单质有H2、O2、O3、N2、F2、Cl2; ③ 呈液态的无机化合物主要有H2O、H2O2、硫酸、硝酸。 ⑺ 相对分子质量相同,化学式也相同的物质(同分异构体),烃的衍生物中醇的沸点高于醚;羧酸沸点高于 ...
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