Abstract Through literature and practice research, this paper found that high school chemistry teachers were relatively clear in discipline thinking method, types of learning tasks, general teaching steps contained in valence-substance category two-dimensional graph, but they paid less attention to students' misunderstandings in using two-dimensional graph. This paper investigated the misunderstandings by means of classroom observation and enquiring students in review lesson, and interviewed teachers on the corresponding problem, then gave teaching improvement suggestions on using two-dimensional graph in review lesson.
REN Bao-Hua. Misunderstandings and Teaching Suggestions on Using “Valence-Substance Category Two-Dimensional Graph” in Review Lesson[J]. , 2016, 37(1): 40-44.
