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新课程中元素化合物知识的编排与以往有很大的改变,本文主要是让学生建立依单一元素为核心的知识网络,为学生建立关于物质性质的感性认识,建立元素观、分类观和转化观等基本学科观念,为学生学习元素周期表及物质结构的相关知识奠定基础。
The arrangement of knowledge of elemental compounds in the new curriculum has changed greatly in the past. This article mainly aims to enable students to set up a knowledge network centered on a single element, establish a perceptual knowledge of the material nature for students, and establish an elemental view, a classification view and a transformational view And other basic disciplinary concepts for students to learn the basic knowledge of the periodic table and material structure.