[分子的立体结构.ppt

CH4 观察下列各分子的结构 C60 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. CH3CH2OH CH3COOH C6H6 C8H8 CH3OH Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 思考： 同为三原子分子，CO2 和 H2O 分子的空间结构却不同，什么原因？ 同为四原子分子，CH2O与 NH3 分子的的空间结构也不同，什么原因？ 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. 知识与能力? 1.认识共价分子结构的多样性和复杂性。 2.能根据价层电子对互斥理论和杂化轨道，理论判断简单分子或离子的构型。 3.能说明简单配合物的成键情况。 过程与方法 1.利用模型，多媒体等资料切实的认识分子的结构。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 情感态度与价值观 在分子构型上进一步了解有关物质结构，能从理论的角度解释物质结构，体验科学的魅力，进一步形成科学的价值观。 2.与同学讨论并交流对杂化轨道理论的理解，培养科学、严谨的学习方法。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 重点 1.分子的立体结构模型。 2.价层电子对互斥理论、杂化轨道理论和配位键。 难点 1.分子的立体结构型。 2.价层电子对互斥理论、杂化轨道理论。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 2.2.1形形色色的分子 三原子分子立体结构：有直线形CO2 、CS2等，V形如H2O、SO2等。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 四原子分子立体结构：平面三角形：如甲醛(CH2O)分子（键角120°）等，三角锥形：如氨分子（键角107°）等。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 五原子分子立体结构：正四面体形如甲烷、P4等。 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.