下列关于物质结构的说法中正确的是_刷题宝

题干

下列关于物质结构的说法中正确的是（）

A：BF₃、HClO分子中所有原子都满足最外层8电子结构

B：某元素原子最外层电子数是次外层电子数的a（a为整数）倍，则该原子核内质子数为2a+2

C：D₂O分子与H₂O分子是所含电子总数不相等的分子

D：在任何物质分子中都含有化学键

上一题下一题 0.0难度选择题更新时间:2014-12-05 05:25:19

答案(点此获取答案解析）

B

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