下列关于分子、原子的说法正确的是: A、分子间没有间隔      

下列关于分子、原子的说法正确的是:

A、分子间没有间隔          B、原子在化学变化中可以再分

C、原子不能直接构成物质    D、分子在不断地运动

答案

D

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