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化合价教学是初中化学教学的难点,也是众位老师实践教学总结出的结论,想要做好初中化学化合价的教学工作,就必须熟知化合价部分的教学内容,把握好教学的难点,深入浅出,使学生深刻的理解化合价部分的重点知识,克服困难学习好这部分知识。克服化合价教学难点首先应该使学生了解化合价的演变并对这部分的知识有一个整体的把握。
Teaching chemistry valence is a difficult problem in junior high school chemistry teaching and it is also a conclusion drawn by teachers in practice teaching. If you want to do chemistry teaching in junior middle school, you must be familiar with the teaching content of the valence portion, grasp the difficulty of teaching, explain profound theories in simple language, Profound understanding of the valence part of the key knowledge, overcome difficulties to learn this part of the knowledge. Overcoming the valence teaching difficulty should first enable students to understand the evolution of valence and knowledge of this part of an overall grasp.