1. Matter, Measurement, and Problem Solving 2. Atoms and Elements 3. Molecules and Compounds 4. Chemical Reactions and Chemical Quantities 5. Introduction to Solutions and Aqueous Reactions 6. Gases 7. Thermochemistry 8. The Quantum-Mechanical Model of the Atom 9. Periodic Properties of the Elements 10.  Chemical Bonding I: The Lewis Model 11.  Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory 12.  Liquids, Solids, and Intermolecular Forces 13.  Solids and Modern Materials 14.  Solutions 15.  Chemical Kinetics 16.  Chemical Equilibrium 17.  Acids and Bases 18.  Aqueous Ionic Equilibrium 19.  Free Energy and Thermodynamics 20.  Electrochemistry 21.  Radioactivity and Nuclear Chemistry 22.  Organic Chemistry 23.  Biochemistry 24.  Chemistry of the Nonmetals 25.  Metals and Metallurgy 26. Transition Metals and Coordination Compounds Appendix I Common Mathematical Operations in Chemistry Appendix II Useful Data Appendix III Answers to Selected Exercises Appendix IV Answers to In-Chapter Practice Problems