Chapter 9 Chemical Bonding I: The Lewis Model

9.1 Bonding Models and AIDS Drugs

9.2 Types of Chemical Bonds

9.3 Representing Valence Electrons with Dots

9.4 Ionic Bonding: Lewis Symbols and Lattice Energies

· Ionic Bonding and Electron Transfer

· Lattice Energy: The Rest of the Story

· The Born–Haber Cycle

· Trends in Lattice Energies: Ion Size

· Trends in Lattice Energies: Ion Charge

· Ionic Bonding: Models and Reality

· Chemistry and Medicine: Ionic Compounds in Medicine

9.5 Covalent Bonding: Lewis Structures

· Single Covalent Bonds

· Double and Triple Covalent Bonds

· Covalent Bonding: Models and Reality

9.6 Electronegativity and Bond Polarity

· Electronegativity

· Bond Polarity, Dipole Moment, and Percent Ionic Character

9.7 Lewis Structures of Molecular Compounds and Polyatomic Ions

· Writing Lewis Structures for Molecular Compounds

· Writing Lewis Structures for Polyatomic Ions

9.8 Resonance and Formal Charge

· Resonance

· Formal Charge

9.9 Exceptions to the Octet Rule: Odd-Electron Species, Incomplete Octets, and Expanded Octets

· Odd-Electron Species

· Incomplete Octets

· Chemistry in the Environment: Free Radicals and the Atmospheric Vacuum Cleaner

· Expanded Octets

9.10 Bond Energies and Bond Lengths

· Bond Energy

· Using Average Bond Energies to Estimate Enthalpy Changes for Reactions

· Bond Lengths

9.11 Bonding in Metals: The Electron Sea Model

· Chemistry in the Environment: The Lewis Structure of Ozone

CHAPTER IN REVIEW: Self-Assessment Quiz

· Key Terms

· Key Concepts

· Key Equations and Relationships

· Key Learning Outcomes

· EXERCISES: Review Questions

· Problems by Topic

· Cumulative Problems

· Challenge Problems

· Conceptual Problems

· Questions for Group Work

· Data Interpretation and Analysis

· Answers to Conceptual Connections