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比较氯离子钾离子硫离子半径大小

更新时间: 2020-07-11 00:00:00     

同一周期的元素内三种离子核外电子数都相等,质子越多的离子半径越小。钾硫氯的质子分别是19,17,16,因此钾离子的半径要小于氯离子小于硫离子。而不同周期的一般为周期小的半径小。

关键词: 比较 离子 半径 大小

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