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13问答网 > 为什么在原电池中电子会从活泼性强的金属流向活泼性弱的金属？

为什么在原电池中电子会从活泼性强的金属流向活泼性弱的金属？

2025-03-15 20:48:06

推荐回答（2个）

回答1：

活泼性强的金属容易被氧化也就是容易失去电子失去的电子可以沿着导电的介质流到活泼性弱的金属总体是一个电池活泼性强的金属做为电池负极活泼性弱的金属为正极电子由负极流向正极
这是高中化学的知识希望可以帮助你

回答2：

对于原电池的题,首先要知道哪个是正极,哪个是负极!一般来说金属性强(也就是较活泼的)一边为负极.但也有特例.
判断了正负极之后就好办了,负极处金属失电子,正极处溶液离子得电子.负极失去的电子怎么到负极呢?我们有导线么,电子经由导线从负极流向正极.而根据物理人为定义说,电流方向为正电荷移动方向,就与负电荷(即电子)移动方向相反.
溶液里的电流流向与导线上的相反,构成一个回路.

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