Lecture 26, 102708

Lecture 26, 102708 - Announcements...

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Announcements Chapter 7 Homework due Wednesday  October 29 Chapter 8 Homework due Monday  November 3 Chapter 8 “Molecules and Materials” start  on Monday  Chapter 9 “Energy and Chemistry”   introduce Friday Next Exam November 12 on Chapters 7, 8  and 9
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Hybrid Orbitals
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Hybrid Orbitals Continued Hybrid orbital name comes from the type and  number of atomic orbitals combined.  Indicated orbital geometry gives rise to common  molecular shapes.
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Chapter 8 Molecules and Materials 8.1 Carbon 8.2  Condensed Phases-Solids 8.3  Bonding in Solids:  Metals, Insulators, and  Semiconductors Models of Metallic Bonding Band Theory 8.4  Intermolecular Forces Dispersion Forces, Dipole-Dipole Forces,  Hydrogen Bonding  8.5  Condensed Phases – Liquids Vapor Pressure, Boiling Point, Surface Tension 8.6 Polymers Types of Polymers and co-Polymers, Physical Properties, 
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Chapter 8 Objectives 1. Describe the structures of graphite and  diamond and explain how the properties of  each substance arise from their structure. 2. Describe the arrangement of atoms in the  common cubic crystal lattices and calculate  the packing efficiency for a lattice. 3. Use band theory to describe bonding in  solids. 4. Draw band diagrams for metals, insulators,  and semiconductors (including n- and p-type  materials). 5. Identify a material as a metal, insulator, or  semiconductor from its band diagram.
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Chapter 8 Objectives Continued 6. Explain how the electrical properties of metals,  insulators, and semiconductors are related to  their chemical bonding. 7. Identify the types of intermolecular forces likely 
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Lecture 26, 102708 - Announcements...

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