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一、问题提出笔者对现行三套课标实验教科书《化学2》中短周期元素原子半径数据进行了比较,发现有些一致,有些相差较大,具体如表1所示。
First, the question put forward The author of the current three sets of standard textbook experiment “Chemistry 2” short-period element atomic radius data were compared and found some of the same, some of the larger difference, as shown in Table 1.