最新资料推荐Evaluation Warning: The document was created with Spire.Doc for .NET.#最新资料推荐一价氢...
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Evaluation Warning: The document was created with Spire.Doc for .NET.说变化物理变化不难辨,没有新物质...
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学习必备 欢迎下载Evaluation Warning: The document was created with Spire.Doc for .NET.高中化学基础知...
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Revised by Petrel at 2021化学速记口诀N 氮 O 氧 S 硫,C 碳 P 磷金 Au;K 钾 I 碘 Al 铝,钨的符号 W。…...
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(1)单质与氧气的反应:1.镁在空气中燃烧:2Mg+O2点燃2MgO2.铁在氧气中燃烧:3Fe+2O2点燃Fe3O43.铜在空气中受热...
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