答案解析

查看更多优质解析解答一举报

N提供一对电子与下边的那个O原子形成配位键

hiphotos.

baidu.

com/zhidao/wh%3D600%2C800/sign=64c98b900cf431adbc874b3f7b068097/908fa0ec08fa513df0e902dc3d6d55fbb2fbd975.

jpg\" esrc=\"http://g.

hiphotos.

baidu.

com/zhidao/wh%3D450%2C600/sign=a0771004acaf2eddd4a441edb8202ddf/908fa0ec08fa513df0e902dc3d6d55fbb2fbd975.

jpg\" />

更多推荐