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[教学目的]1.使学生掌握硫的物理性质和化学性质。 2.通过硫有关性质的实验,培养学生观察和描述实验现象以及分析问题的能力。 3.通过硫的结构和性质的教学,对学生进行内因和外因辩证关系的教育。通过硫用途教学,对学生进行爱国主义教育。 [教学重点]硫的化学性质。 [教学难点]分析硫的氧化性、还原性,并分析比较硫与氧、硫与氯氧化性的强弱。
[Teaching purposes] 1. Make students master the physical and chemical properties of sulfur. 2. Through the experiment of sulphur-related properties, develop students’ ability to observe and describe experimental phenomena and analyze problems. 3. Through the teaching of the structure and nature of sulphur, educate students on the dialectical relationship between internal and external causes. Through the use of sulfur teaching, patriotism education for students. [teaching focus] The chemical nature of sulfur. [Difficulty in Teaching] Analyze the oxidative and reductive properties of sulfur, and compare the strength of sulfur with oxygen, sulfur, and chlorine oxidation.