一、学习要求 1.掌握氮族元素原子结构的特点及其在元素周期表里的位置和性质之间的变化规律。 2.认识氮的主要性质和重要用途;掌握氨和铵盐的性质、用途以及氮气的实验室制法,学会铵离子检验的方法。 3.掌握硝酸和硝酸盐的特性和氨氧化法制取硝酸的反应原理,了解制取硝酸生产中尾气对空气的污染及治理。 First, the learning requirements 1. To grasp the characteristics of the nitrogen group atomic structure and its variation in the position and nature of the periodic table. 2. To understand the main properties and important uses of nitrogen; to master the properties and uses of ammonia and ammonium salts, and laboratory methods for the production of nitrogen, and to learn the methods of ammonium ion testing. 3. Understand the characteristics of nitric acid and nitrate, and the reaction principle of ammonia oxidation to make nitric acid, and understand the air pollution and treatment of tail gas from nitric acid production.