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目的总结应用三个不同环节教学化合价,获得满意的效果。方法采用化合价概念、认识化合价确定、应用化合价各阶段不同例题,择重略轻演讲。结果通过不同步骤,由浅入深演讲,激发了学生学习热情和求知欲望,使学生在化合价知识掌握应用的准确性普遍提高。结论化合价采用不同环节、步骤、不同例题,由浅入深的教学,使学生激发学习热情和求知欲望,学好了化合价的知识和应用,取得了满意的教学效果。
Objective To summarize the application of three different aspects of teaching valence, to obtain satisfactory results. Methods Using the concept of valence, recognizing the valence of valence, applying different examples of valence in each stage of the valence, using a slightly lighter weight. The results through different steps, from simple to in-depth lectures, inspired students enthusiasm for learning and desire to know, so that students in the application of knowledge of valence generally improve the accuracy of the application. Conclusion The cheat price adopts different steps, steps and different examples to make the students inspire enthusiasm for learning and desire for knowledge. The knowledge and application of valence have been learned and the satisfactory teaching effect has been achieved.