《7、单质分类及化学式书写.ppt

* Review 人体中含量排名前三的元素： O C H 地壳中含量排名前三的元素： Si O Al Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 硫 S 氯 Cl 氩 Ar 钾 K 钙 Ca Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 物质的分类III 物质 纯净物 混合物 单质 化合物 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 物质的分类III 单质的概念： 由同种元素组成的纯净物 稀有气体 非金属 金属 单质分类 稀有气体 非金属 金属 元素分类 怎么区分？ 看边旁 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 稀有气体单质： 氦气、氖气、氩气 He Ne Ar 金属单质： 它们的化学式就是元素符号 钠 镁 铝 …… Na Mg Al 单质的化学式书写 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 单质的化学式书写 稀有气体单质 金属单质 它们的化学式就是元素符号 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 物质的分类III 物质 纯净物 混合物 单质 化合物 金属单质 非金属单质 稀有气体单质 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Summary 1、物质的分类III 单质 金属单质 非金属单质 稀有气体单质 2、金属单质和稀有气体单质的化学式书写 它们的化学式就是元素符号 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.