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一 、化 合反 应 1. 反应规律:两种反应物的化学性质差异越大,通常越容易化合。 2. 常见的化合反应。 (1)单质和单质之间。 点 燃 点燃 2Na+Cl 2NaCl S+O2 SO = = 2 金属性强的单质与?
First, chemical reaction 1. Reaction law: The greater the difference in chemical properties of the two reactants, the easier it is usually to combine. 2. Common chemical reactions. (1) Between simple substance and simple substance. Point ignition ignition 2Na+Cl 2NaCl S+O2 SO = = 2