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有机物分子中各原子的价电子数的总和应该等于有机物分子中共用电子对数的两倍,这就是价电子规律。运用此规律,可以非常方便解决一些有关有机物的组成和结构问题。
The sum of the valence electrons of each atom in the organic molecule should be equal to twice the number of common electrons in the organic molecule, which is the valence electron law. The use of this law can be very convenient to solve some of the composition and structure of organic matter.