《全日制十年制学校中学化学教学大纲(试行草案)》提出要求:“通过中学化学教学,要求学生熟练地掌握重要的常用的元素符号、分子式、化学方程式等化学用语”并明确指出“化学用语是用来表示物质的组成、结构和变化规律的,必须让学生经常练习,达到会写、会读、会用,了解它们的化学意义,逐步熟练地掌握这些工具。” “Full-time 10-year school chemistry teaching syllabus (draft)” on the request: “Through chemistry teaching in secondary schools, require students to master the important and commonly used elements of symbols, formulas, chemical equations and other chemical terms,” ​​and clearly states that "Chemistry The term is used to indicate the composition, structure and variation of matter. Students must practice regularly to understand how they are written, read, and used to understand their chemical meanings, and master these tools step by step.