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为了研究有关原子结构的教学和学生对这些问题的掌握情况,我们在不同学校的八个十年级中旁听和分析了120节课,进行了测验作业并与学生作了个别谈话,也分析了许多其他学校的测验作业。研究结果指出,在讲述下列问题时学生最感困难:证明原子中有核及电子,元素性质周期性变化的物理意义,共价键的本性,同一族中元素原子结构的改变与元素性质变化间的对比以及同一种元素的原子和离子在性质上和结构上的区别。把学生对课题材料掌握的质量和教材组织和教学方法比较以后,就找到了学生对上述问题学习不好的
In order to study teaching about the atomic structure and students’ mastery of these issues, we listened to and analyzed 120 lessons in eight tenth grade schools in different schools, conducted quizzes and conducted individual conversations with students, and analyzed many Other schools test operations. The results indicate that students have the greatest difficulty in telling the following questions: the physical meaning of proving that nuclei and electrons in atoms have periodic changes in the nature of the elements, the nature of the covalent bonds, the change in the atomic structure of the elements in the same family, and the change in the nature of the elements As well as the differences in nature and structure between atoms and ions of the same element. The students grasp the quality of the subject material and textbook organization and teaching methods compared to the students to find the problem is not good to learn