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物质的量将宏观世界和微观粒子联系到了一起,通过它找到了物质的质量和微粒的数目之间的关系。物质的量是初中和高中化学衔接的一个节点,概念抽象复杂,理解难度远远高于初中化学,应用贯穿整个高中化学。对高一新生来说,这一章节的学习是否扎实对培养化学思维、学好高中化学起到了关键作用。以下是笔者根据教学实践总结的该节易错点。1.将物质的量和摩尔概念及内涵混淆。物质的量是七个国际物理量之一,是物理量,符号为n,单位为摩
The amount of matter linked the macroscopic world with the microscopic particles, through which the relationship between the mass of matter and the number of particles was found. The amount of material is a node of chemical link between junior high school and high school. The concept is abstract and complicated, the difficulty of understanding is much higher than that of junior middle school chemistry, and the application runs through the entire high school chemistry. For freshmen, the learning of this chapter is solid and has a key role in developing chemistry and learning chemistry in high school. The following is the author based on teaching practice summary of the section error-prone. 1. Confuse the amount of substance with the concept and connotation of Moore. The amount of material is one of seven international physical quantities, physical quantity, symbol n, unit is friction