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钠离子半径和钠原子半径谁大
更新时间: 2020-09-09 00:00:00  

钠原子半径大。

影响原子半径的因素有三个:一是核电荷数,核电荷数越多其核对核外电子的引力越大则原子半径越小;当电子层数相同时,其原子半径随核电荷数的增加而减小;二是核外电子数,核外电子数越多半径越大;三是电子层数,电子的分层排布与离核远近空间大小以及电子云之间的相互排斥有关,电子层越多原子半径越大。当电子层结构相同时,质子数越大,半径越小。

关键词: 离子 半径 原子

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