单质和化合物的区别{"A":"\u5355\u8d28\u662f\u7eaf\u51c0\u7269\uff0c\u5316\u5408\u7269\u662f\u6df7\u5408\u7269","B":"\u5_刷题宝

题干

单质和化合物的区别（）

A：单质是纯净物，化合物是混合物

B：单质由同种分子构成，化合物由不同种分子构成

C：单质只含有一种元素，化合物至少含两种元素

D：单质是一种物质，化合物至少含两种物质

上一题下一题 0.0难度选择题更新时间:2019-01-24 09:47:00

答案(点此获取答案解析）

C

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