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氯化氫分子分解的原因

返回打印发布时间：2023/3/1 点击：7770

氯化氫分子分解的原因：

氢气在氯气中燃烧时，氢分子和氯分子分别获得能量，使各自的化学键断裂。从效果上看，相当于分别形成氢原子和氯原子，再将氢原子和氯原子结合成氯化氫分子。

(1)氢原子和氯原子各提供一个电子，形成一对共用电子，使两者的最外层电子层达到稳定结构，产生强相互作用(化学键)，从而形成氯化氫分子。

(2)氢分子分解成氢原子，氯分子分解成氯原子，氢原子和氯原子再生成氯化氫分子。

氢原子和氯原子各提供一个电子，形成一对共用电子，使两者的最外层电子层达到稳定结构，产生强相互作用(化学键)，从而形成氯化氫分子。

化学变化的本质：反应物分子分解成原子，原子重组得到产物分子。在这个过程中，原子的种类和数量保持不变，原子是变化中最小的粒子，不可分离。

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