一、复习要求1 常识性介绍 :核外电子排布的初步知识 ;原子结构示意图 ;NaCl、HCl的形成 .2 了解 :分子、原子、离子的概念 ;原子的构成 ;元素与原子、分子与原子、原子与离子的区别与联系 .　　二、知识结构三、主要内容提示　　 1 从微观构成上讲 ,构成物质的基本粒子有三种 I. Review requirements 1 Common sense introduction: preliminary knowledge of nuclear electronic arrangement; schematic diagram of atomic structure; formation of NaCl and HCl. 2 understanding: concept of molecules, atoms, ions; composition of atoms; elements and atoms, molecules and atoms Differences and connections between atoms and ions. Second, the knowledge structure 3. The main content of the prompts 1 From the microscopic structure, there are three basic particles that make up a substance.