Compounds and Molecules化合物和分子
A chemical compound is a bound combination of atoms in the ratio of small whole numbers. Compounds are represented by molecular formuli which indicate the numerical ratios of combination. 化学化合物是由按小整数比结合的原子组成的。化合物用分子式表示，这些分子式表明了结合的数值比例。
Atoms are held together by chemical bonds. Visualizing the kinds of compounds which can form is aided by Lewis symbols and diagrams. 原子通过化学键结合在一起。通过路易斯符号和图示可以更直观地理解能形成哪些化合物。
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Index Periodic Table Chemistry concepts 索引 元素周期表 化学概念 | |||||||
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Inorganic Compounds无机化合物
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Index Periodic Table Chemistry concepts 索引 元素周期表 化学概念 | |||
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