一、复习要求1郾常识性介绍:核外电子排布的初步知识;NaCl、HCl的形成郾2郾了解: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郾二、知识结构三、主要内容提示1郾从微观角度讲,构成物质的基本粒子有三种:分子、原子、离子郾重点了解以下 First, review requirements 1 Introduction to common sense: preliminary knowledge of nuclear electronic layout; Formation of NaCl and HCl 郾2郾 Understanding: the concept of molecules, atoms, ions; the composition of atoms; elements and atoms, molecules and atoms, atoms Differences and Connections with Ions II. Knowledge Structures 3. Main Contents Tips 1. From the microscopic point of view, there are three basic particles that make up a substance: molecules, atoms, and ions.