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主族元素最高氧化态含氧酸或酸酐的氧化与中心离子的有效核电荷平方半径比有关。本文引入屏蔽常数校正系数Ａ，用有效核电荷数Ｚ＝Ｚ－σ·Ａ计算出Ｚ２／ｒ，作Ｚ２／ｒ－Ｚ图，图中呈现的同周期直线上升，同族中锯齿形变化，总趋势上升规律与Ｅφ－Ｚ图中的变化规律具有很好的相似性。使对主族元素最高氧化态含氧酸或酸酐氧化性规律的解释具有半定量的性质。
The oxidation of the oxadic acid or anhydride of the highest oxidation state of the main group element is related to the square root of the square root of the effective nuclear charge of the central ion. In this paper, the shielding constant correction factor A is introduced, Z2 / r is calculated by the effective nuclear charge number Z = Z-σ · A and Z2 / r-Z is plotted as the same period. The trend of rising trend is in good agreement with the changing law in Eφ-Z diagram. So that the main elements of the highest oxidation state oxo acid or anhydride oxidative stability of the interpretation of semi-quantitative nature.