What are the characteristics of the same main group?
What are the characteristics of the same main group?
发布时间：2025-02-03 22:49:34
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由 快搜搜题库 官方老师解答 )
答案：【计分规则】: 同一主族元素最外层电子数相等，化学性质相似，从上到下电子层数逐渐增加，原子半径逐渐增大。
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