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高考网
9 小时
2025年高考高中化学之易错知识点总结
7.氧元素一般显-2价,但在Na2O2、H2O2等物质中显-1价。 8.元素的氧化性一般随化合价的升高 ... 32.金属性强的元素,相应的碱的碱性也强,但A1(OH)3的碱性却比Fe(OH)3弱。 33.离子化合物中一般不存在单个分子,但NaC1等在气态时却以分子形式存在。 34.离子方程式一般 ...
Indiatimes
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Interested in blogging for timesofindia.com? We will be happy to have you on board as a blogger, if you have the knack for writing. Just drop in a mail at toiblogs@timesinternet.in with a brief ...
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