元素周期表中原子半径,热稳定性,酸性强度,碱性强度如何变化

2025-04-01 09:06:27
推荐回答(2个)
回答1:

原子半径 热稳定性 酸性 碱性
从左到右(按周期) 减小 增大 增加 减小
从上到下(按族) 增大 减小 减小 增大
具体解释:原子半径按原子层数思考
热稳定也是和层数有关,层数越多,核吸引最外层电子能力越小,越不稳定;同层数,核电荷数(质子数)越大,核吸引最外层电子能力越大,越稳定。
酸性(碱性)考虑原子得失电子的能力,越易的电子,酸性越大(碱性相反)。
在具体的~~只能参考无机化学有关元素周期表的内容了~~

回答2:

电子层数越大原子半径越大 电子层数一样时 原子量越大原子半径越小 最外层电子数 以4为界 往两边或大或小热稳定性都变弱 往大是酸性越强 往小是碱性越强

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