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一、内容简介:氮族元素位于周期表中第Ⅴ A族,包括 N、P、As、Sb、Bi 五种元素,本章着重学习氮和磷,特别是氮及其化合物。本章教材共七节,按其内容,可分为三个小单元:第一单元:第1～3节,着重学习氨和铵盐。第二单元:第4～6节,着重学习硝酸和硝酸盐。第三单元:第七节,磷、磷酸、磷酸盐。二、学习计划:本章采用小单元教学法,以学生自学、实验、讨论为主,教师重点讲解。学习本
I. Introduction: Nitrogen elements are located in Group V A of the periodic table, including N, P, As, Sb, and Bi elements. This chapter focuses on learning about nitrogen and phosphorus, especially nitrogen and its compounds. The teaching materials in this chapter consist of seven sections. According to their contents, they can be divided into three small units: Unit 1: Sections 1-3, focusing on the study of ammonia and ammonium salts. Unit 2: Sections 4-6, focusing on learning about nitric acid and nitrates. Unit 3: Section 7, Phosphorus, Phosphoric Acid, Phosphate. Second, the study plan: This chapter uses a small unit teaching method, mainly for students self-study, experiment, discussion, teachers focus on the explanation. Study book