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【题目】对分子的叙述中正确的是( )

A.分于是保持物质性质的一种粒子

B.分子是保持物质性质的最小粒子

C.分子是保持物质化学性质的最小粒子

D.分子是保持物质化学性质的唯一粒子

【答案】C

【解析】

试题分析:分子是保持物质化学性质的最小粒子。单个的分子不保持物质的物理性质。由离子构成的物质,则由阴阳离子共同保持其化学性质。

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