氮的氧化物计算是氮族元素考查的重点内容,涉及的类型较多,考生只有分清类型才能正确解答.解题方法主要有关系式法、电子守恒法,有时还可用差量法和原子守恒法. The calculation of nitrogen oxides is a key part of the examination of nitrogen elements. There are many types involved. Candidates can only answer correctly if they are clearly distinguished. The problem solving methods are mainly relational methods, electron conservation methods, and sometimes differential methods and atom conservation. law.