人教版初三化学教案下册全套

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1、人教版初三化学教案下册全套(500字)§5－1碳的几种单质【教学目的】1．了解金刚石、石墨、木炭等碳的单质的物理性质和用途2．通过分析金刚石、石墨是由碳元素组成的两种不同单质，进一步理解元素和单质这两个基本概念的区别和联系【教学重点】金刚石、石墨在物理性质方面的特征与用途【教学用具】集气瓶、氧化钠、木炭、品红、水、烧杯【教学难点】金刚石、石墨物理性质方面的特征与用途之间的联系【教学方法】讲述法、练习法、实验法【教学过程】organizationsystemandworkingmode,theselectionofanumberofmunicipalstre

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