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氮族元素的复习辽宁省抚顺市清源县第二高中卢斌［教学目的］１．使学生掌握复习元素及化合物知识的方法和程序。２．建立元素的“位—构—性”的概念，提高学生的逻辑思维能力。３．通过化学史的介绍对学生进行爱国主义教育。［教学重点］氮族元素的性质递变规律；元素及...
The review of nitrogen elements in Qingyuan County, Fushun City, Liaoning Province, the second high school Lu Bin [for teaching purposes] 1. Enable students to master methods and procedures for reviewing elements and compound knowledge. 2. Establish the concept of “bit-structure-nature” of elements to improve students’ logical thinking ability. 3. Students are educated on patriotism through the introduction of chemical history. [Teaching focus] The nature of the nitrogen family elements, the law of evolution, elements and...