论文部分内容阅读
化学用语是我们学习化学的重要工具,中学教材中有关物质的组成、结构和变化,都是利用化学用语来表述的。如原子、元素用元素符号表示,分子、物质可用分子式、化学式表示,离子要用离子符号来表示,物质的化学变化要用化学方程式或离子方程式等来阐述,化学计算也要依靠化学用语。学生要顺利地学好化学,就必须掌握化学用语。本文结合化学用语的特征,对加强初中化学用语的有效教学进行探索。
Chemical language is an important tool for us to learn chemistry. The composition, structure and change of related materials in middle school textbooks are expressed in chemical terms. Such as atoms, elements with the symbol of the elements, molecules, substances available molecular formula, chemical formula, ions to use ionic symbols to represent the chemical changes in the chemical formula or ion equation to elaborate, chemical calculations have to rely on chemical terms. To successfully learn chemistry, students must master the chemical language. Based on the characteristics of chemical terms, this article explores the effective teaching of chemical terms in junior middle schools.