下列物质中，氮元素的化合价最低的是（）_刷题宝

题干

下列物质中，氮元素的化合价最低的是（）

A：N₂

B：NH₃

C：NO

D：NO₂

上一题下一题 0.0难度选择题更新时间:2018-11-20 07:46:50

答案(点此获取答案解析）

B

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