化学方程式作为对化学反应的一种符号表示,是对宏观与微观的一种抽象的概括,是学习化学的重要工具.化学方程可以使学生更好地认识化学反应的实质.一、化学方程式的书写现状及分析笔者发现在教学中有很多教师为了省事,汇总很多反应,印成试卷,直接让学生死记,进行无数次默写.这种教学方式必然导致学生机械地学习和记忆,导致了学生思维的僵化.进入高中,学生接触到的化学反应数量大幅增加,化 As a symbolic representation of chemical reactions, chemical equations are an abstract generalization of macroscopical and microscopic and are important tools for learning chemistry. Chemical equations can help students to better understand the essence of chemical reactions. Writing status and analysis I found that there are many teachers in teaching to summarize a lot of reactions, printed in papers, direct student life memorization, numerous silent copy.This teaching method will inevitably lead to mechanical learning and memory students, leading to student thinking Into high school, the number of chemical reactions exposed to students has dramatically increased