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电子排布时共分几层
更新时间: 2020-10-31 00:00:00  

电子排布时共分7层。电子在原子核外运动状态是相当复杂的。一个电子的运动状态取决于它所处的电子层、电子亚层、轨道的空间伸展方向和自旋状况。在一个原子里不可能存在着电子层、电子亚层、轨道的空间伸展方向和自旋状况完全相同的两个电子。这个原理叫泡利不相容原理。根据这个原理,可以知道每一个轨道中只能容纳两个自旋相反的电子。根据这一点,可以推算出每个电子层中最多可容纳的电子数。

关键词: 电子 排布

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