下列物质中，有极性共价键的是_刷题宝

题干

下列物质中，有极性共价键的是（）

A：氯化镁

B：过氧化钠

C：单质碘

D：水

上一题下一题 0.0难度选择题更新时间:2018-08-10 08:51:58

答案(点此获取答案解析）

D

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