为什么在形成共价键时，原子间总是尽可能的沿着原子轨道最大重叠的方向成键。 共价键形成时，两个参与成键的原子轨道总是尽可能沿着电子出现概...
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因为重叠越大，键越稳定，能量越低重叠越多，吸引力越大，共价键的键能越大，物质就越稳定。。。
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