化学方程式是化学学科的重、难点教学内容之一,学会化学方程式的书写是学好化学的基础,教师要整理出基本规律,便于学生掌握。笔者就自己教学经验整理如下,共享于教师教学与学生学习。一、化合反应 The chemical equation is one of the heavy and difficult teaching topics in chemistry. Learning to write a chemical equation is the basis for learning chemistry. Teachers should sort out the basic rules and make it easy for students to master. The author organizes his own teaching experience as follows, shared in teacher teaching and student learning. First, the chemical reaction