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The Seventh Edition of Zumdahl and DeCoste's best-selling INTRODUCTORY CHEMISTRY: A FOUNDATION that combines enhanced problem-solving structure with substantial pedagogy to enable students to become strong independent problem solvers in the introductory course and beyond. Capturing student interest through early coverage of chemical reactions, accessible explanations and visualizations, and an emphasis on everyday applications, the authors explain chemical concepts by starting with the basics, using symbols or diagrams, and conclude by encouraging students to test their own understanding of the solution. This step-by-step approach has already helped hundreds of thousands of students master chemical concepts and develop problem-solving skills. The book is known for its focus on conceptual learning and for the way it motivates students by connecting chemical principles to real-life experiences in chapter-opening discussions and "Chemistry in Focus" boxes.The Seventh Edition now adds a "questioning" pedagogy to in-text examples to help students learn what questions they should be asking themselves while solving problems, offers a revamped art program to better serve visual learners, and includes a significant number of revised end-of-chapter questions. The book's unsurpassed teaching and learning resources include a robust technology package that now offers a choice between OWL: Online Web Learning and Enhanced WebAssign.

Steven S. Zumdahl, University of Illinois, Urbana-Champaign

Steve Zumdahl is the author of market-leading textbooks in introductory chemistry, general chemistry, honors-level chemistry, and high school chemistry. Recently retired from his long-time position as Director of Undergraduate Programs at the University of Illinois, he has received numerous awards for his contributions to chemical education. These include the National Catalyst Award in recognition of his contribution to chemical education, the University of Illinois Teaching Award, the UIUC Liberal Arts and Sciences Advising Award, and the School of Chemical Sciences Teaching Award (five times). He earned his BS in Chemistry from Wheaton College (IL), and his PhD from the University of Illinois.

Donald J. DeCoste, University of Illinois, Urbana-Champaign

Donald J. DeCoste is Associate Director of General Chemistry at the University of Illinois, Urbana–Champaign, and has been teaching chemistry at the high school and college levels for over 25 years. He earned his BS in Chemistry and PhD from the University of Illinois, Urbana–Champaign. At UIUC he teaches courses in introductory chemistry and the teaching of chemistry and has developed chemistry courses for non-science majors, preservice secondary teachers, and preservice elementary teachers. He has received the LAS Award for Excellence in Undergraduate Teaching, the Provost’s Excellence in Undergraduate Teaching Award, and the School of Chemical Sciences Teaching Award four times. Don has led workshops for secondary teachers and graduate student teaching assistants, discussing the methods and benefits of getting students more actively involved in class. When not involved in teaching and advising, Don enjoys spending time with his wife and three children.
  • The book's full color art program has been redrawn and reworked to make figures easier to follow and more aesthetically pleasing. In addition, labeling within the art has been reconfigured for better clarity, glassware illustrations have been updated, and the orbital art has been redesigned.
  • The text's hallmark problem-solving pedagogy is enhanced by in-text examples that suggest what questions the students should be asking as they solve problems.
  • A new section in Chapter 8 explains why it is so important to become a good problem-solver.
  • The authors have revised a significant number of the end-of-chapter questions (approximately 20%).
  • The Seventh Edition is now supported by both OWL: Online Web Learning, the number one online learning system for chemistry, and Enhanced WebAssign. Both are available with e-books.
  • Exercises and models such as worked-out examples, self-check exercises, and skill development boxes support the authors' step-by-step problem-solving method.
  • End-of-chapter material includes key terms, a summary of important facts, questions and problems arranged in matched pairs and keyed to chapter sections, additional problems that incorporate material from multiple sections, in-class discussion questions, and "Cumulative Reviews" that test concepts from preceding chapters.
  • The text builds and refreshes fundamental math skills such as scientific notation, rounding, and rearranging equations. In addition, Math Tips, indicated by icons throughout, help students as they perform calculations.
  • The book is also available in alternative versions: BASIC CHEMISTRY, which covers chemical concepts and applications through acids and bases (Chapters 1-16) and INTRODUCTORY CHEMISTRY, which also covers equilibrium, oxidation-reduction reactions, electrochemistry, radioactivity, and nuclear energy (Chapters 1-19).
Chemistry: An Introduction. Chemistry in Focus: Dr. Ruth—Cotton Hero. What Is Chemistry? Solving Problems Using a Scientific Approach. Chemistry in Focus: A Mystifying Problem. The Scientific Method. Learning Chemistry. Chemistry in Focus: Chemistry: An Important Component of Your Education.
Scientific Notation. Units. Chemistry in Focus: Critical Units! Measurements of Length, Volume, and Mass. Chemistry in Focus: Measurement: Past, Present, and Future. Uncertainty in Measurement. Significant Figures. Problem Solving and Dimensional Analysis. Temperature Conversions: An Approach to Problem Solving. Chemistry in Focus: Tiny Thermometers. Density.
Matter. Physical and Chemical Properties and Changes. Elements and Compounds. Mixtures and Pure Substances. Chemistry in Focus: Concrete—An Ancient Material Made New. Separation of Mixtures. Cumulative Review for Chapters 1-3.
The Elements. Chemistry in Focus: Trace Elements: Small but Crucial. Symbols for the Elements. Dalton’s Atomic Theory. Chemistry in Focus: No Laughing Matter. Formulas of Compounds. The Structure of the Atom. Chemistry in Focus: Glowing Tubes for Signs, Television Sets, and Computers. Introduction to the Modern Concept of Atomic Structure. Isotopes. Chemistry in Focus: Isotope Tales. Introduction to the Periodic Table. Chemistry in Focus: Putting the Brakes on Arsenic. Natural States of the Elements. Ions Compounds That Contain Ions.
Naming Compounds. Chemistry in Focus: Sugar of Lead. Naming Binary Compounds That Contain a Metal and a Nonmetal (Types I and II). Naming Binary Compounds That Contain Only Nonmetals (Type III). Naming Binary Compounds: A Review. Naming Compounds That Contain Polyatomic Ions. Naming Acids. Writing Formulas from Names. Cumulative Review for Chapters 4-5.
Evidence for a Chemical Reaction. Chemical Equations. Balancing Chemical Equations. Chemistry in Focus: The Beetle That Shoots Straight.
Predicting Whether a Reaction Will Occur. Reactions in Which a Solid Forms. Describing Reactions in Aqueous Solutions. Reactions That Form Water: Acids and Bases. Reactions of Metals with Nonmetals (Oxidation-Reduction). Ways to Classify Reactions. Chemistry in Focus: Do We Age by Oxidation? Chemistry in Focus: Oxidation-Reduction Reactions Launch the Space Shuttle. Other Ways to Classify Reactions. Cumulative Review for Chapters 6-7.
Counting by Weighing. Chemistry in Focus: Plastic That Talks and Listens! Atomic Masses: Counting Atoms by Weighing. The Mole. Molar Mass. Percent Composition of Compounds. Formulas of Compounds. Calculation of Empirical Formulas. Calculation of Molecular Formulas.
Information Given by Chemical Equations. Mole—Mole Relationships. Mass Calculations
Chemistry in Focus: Methyl Alcohol: Fuel with a Future? Calculations Involving a Limiting Reactant. Percent Yield. Cumulative Review for Chapters 8-9.
The Nature of Energy. Temperature and Heat. Exothermic and Endothermic Processes. Thermodynamics. Measuring Energy Changes. Chemistry in Focus: Coffee: Hot and Quick(lime). Chemistry in Focus: Nature Has Hot Plants. Chemistry in Focus: Firewalking: Magic or Science? Thermochemistry (Enthalpy). Chemistry in Focus: Methane: An Important Energy Source. Hess’s Law. Quality Versus Quantity of Energy. Energy and Our World. Chemistry in Focus: Veggie Gasoline? Energy as a Driving Force.
Rutherford’s Atom. Electromagnetic Radiation. Chemistry in Focus: Light as a Sex Attractant. Chemistry in Focus: Atmospheric Effects 307. Emission of Energy by Atoms. The Energy Levels of Hydrogen. The Bohr Model of the Atom. The Wave Mechanical Model of the Atom. The Hydrogen Orbitals. The Wave Mechanical Model: Further Development. Electron Arrangements in the First Eighteen Atoms on the Periodic Table. Chemistry in Focus: A Magnetic Moment. Electron Configurations and the Periodic Table. Chemistry in Focus: The Chemistry of Bohrium. Atomic Properties and the Periodic Table. Chemistry in Focus: Fireworks.
Types of Chemical Bonds. Electronegativity. Bond Polarity and Dipole Moments. Stable Electron Configurations and Charges on Ions. Chemistry in Focus: Composite Cars. Ionic Bonding and Structures of Ionic Compounds. Lewis Structures. Lewis Structures of Molecules with Multiple Bonds. Chemistry in Focus: Hiding Carbon Dioxide. Chemistry in Focus: Broccoli—Miracle Food? Molecular Structure. Molecular Structure: The VSEPR Model. Chemistry in Focus: Taste—It’s the Structure That Counts. Molecular Structure: Molecules with Double Bonds. Chemistry in Focus: Minimotor Molecule. Cumulative Review for Chapters 10-12.
13. GASES.
Pressure. Pressure and Volume: Boyle’s Law. Volume and Temperature: Charles’s Law. Volume and Moles: Avogadro’s Law. The Ideal Gas Law. Chemistry in Focus: Snacks Need Chemistry, Too! Dalton’s Law of Partial Pressures. Laws and Models: A Review. The Kinetic Molecular Theory of Gases. The Implications of the Kinetic Molecular Theory. Gas Stoichiometry.
Water and Its Phase Changes. Energy Requirements for the Changes of State. Chemistry in Focus: Whales Need Changes of State. Intermolecular Forces. Evaporation and Vapor Pressure. The Solid State: Types of Solids. Bonding in Solids. Chemistry in Focus: Metal with a Memory.
Solubility. Chemistry in Focus: Green Chemistry. Solution Composition: An Introduction. Solution Composition: Mass Percent. Solution Composition: Molarity. Dilution. Stoichiometry of Solution Reactions. Neutralization Reactions. Solution Composition: Normality. Cumulative Review for Chapters 13-15.
Acids and Bases. Chemistry in Focus: Gum That Foams. Acid Strength. Chemistry in Focus: Carbonation—A Cool Trick. Chemistry in Focus: Plants Fight Back. Water as an Acid and a Base. The pH Scale. Chemistry in Focus: Airplane Rash. Chemistry in Focus: Garden-Variety Acid-Base Indicators. Calculating the pH of Strong Acid Solutions. Buffered Solutions.
How Chemical Reactions Occur. Conditions That Affect Reaction Rates. Chemistry in Focus: Protecting the Ozone. The Equilibrium Condition. Chemical Equilibrium: A Dynamic Condition. The Equilibrium Constant: An Introduction. Heterogeneous Equilibria. Le Châtelier’s Principle. Applications Involving the Equilibrium Constant. Solubility Equilibria. Cumulative Review for Chapters 16-17.
Oxidation-Reduction Reactions. Oxidation States. Oxidation-Reduction Reactions Between Nonmetals. Balancing Oxidation-Reduction Reactions by the Half-Reaction Method. Electrochemistry: An Introduction. Batteries. Corrosion. Chemistry in Focus: Stainless Steel: It’s the Pits. Electrolysis. Chemistry in Focus: Water-Powered Fireplace.
Radioactive Decay. Nuclear Transformations. Detection of Radioactivity and the Concept of Half-life. Dating by Radioactivity. Chemistry in Focus: Dating Diamonds. Medical Applications of Radioactivity. Nuclear Energy. Nuclear Fission. Nuclear Reactors. Chemistry in Focus: Future Nuclear Power. Nuclear Fusion. Effects of Radiation. Chemistry in Focus: Nuclear Waste Disposal.
Using Your Calculator. Basic Algebra. Scientific (Exponential) Notation. Graphing Functions. SI Units and Conversion Factors. Solutions to Self-Check Exercises. Answers to Even-Numbered End-of-Chapter Questions and Exercises. Answers to Even-Numbered Cumulative Review. Exercises. Index/Glossary. Photo Credits.
Each WebAssign online product offers the full textbook combined with a flexible and fully customizable online instructional assignments and tools.

Cengage provides a seamless user experience for Learning Management Systems (LMS) integration. Please contact your Cengage Learning Consultant for ordering information and visit our Learning Management System Integration web page on WebAssign for general information.

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Cengage provides a range of supplements that are updated in coordination with the main title selection. For more information about these supplements, contact your Learning Consultant.


Online Instructor's Guide for Lab Manual

ISBN: 9781285858135
Includes general notes about each experiment, estimated completion times, materials required, and answers to both pre-and post-laboratory questions. Annotations in the main text IAE indicate when the labs from this manual are relevant to chapter content. Electronic files are also available on the Online PowerLecture.

Instructor's Web Site with ExamView® and Joinn™ Student Response System

ISBN: 9781285464664
Search for this text at and choose Instructor Companion Site to access these digital resources for this text: 1) PowerPoint® lecture slides by Rebecca A. Krystyniak, St. Cloud State University 2) Image libraries for figures, photographs, and numbered tables; 3) Complete Solutions Manual by Gretchen Adams, University of Illinois; 4) Sample chapters from the Student Solutions Manual and Study Guide, 5) List of end-of-chapter questions that you can assign in OWLv2; 6) Cognero® online testing software with questions by Simon Bott, University of Houston; 7) "Clicker" content for use with the classroom response system of your choice; 8) Chemistry Multimedia Library of lecture-ready animations, simulations, and movies.

Cengage Learning Testing, powered by Cognero Instant Access

ISBN: 9781305096295

Lab Manual for Zumdahl/DeCoste’s Introductory Chemistry: A Foundation, 8th

ISBN: 9781285845166
Includes 35 experiments and eight appendices that serve as useful references for students.

Study Guide for Zumdahl/DeCoste’s Introductory Chemistry: A Foundation, 8th

ISBN: 9781285845173
Contains chapter discussions, key-term definitions, and practice chapter tests to help your students master the concepts and skills of the course.

Student Solutions Manual for Zumdahl/DeCoste’s Introductory Chemistry: A Foundation, 8th

ISBN: 9781285845180
Contains detailed solutions for the even-numbered end-of-chapter problems and cumulative review exercises.

Introductory Chemistry: A Foundation, 8th: Annotated Instructor’s Edition

ISBN: 9781285453187
This version of the text features a wrap-around margin with extensive annotations that provide instructors and teaching assistants with teaching tips, information on integrating supplements into lectures, and answers to all problems. The IAE includes all 21 chapters of Introductory Chemistry: A Foundation, 8/e.


Lab Manual for Zumdahl/DeCoste’s Introductory Chemistry: A Foundation, 8th

ISBN: 9781285845166
Includes 35 experiments and eight appendices that serve as useful references.

Study Guide for Zumdahl/DeCoste’s Introductory Chemistry: A Foundation, 8th

ISBN: 9781285845173
The perfect way to prepare for exams, build problem-solving skills, and get the grade you want, this Study Guide includes chapter discussions, key-term definitions, and practice chapter tests.

Student Solutions Manual for Zumdahl/DeCoste’s Introductory Chemistry: A Foundation, 8th

ISBN: 9781285845180
Homework help! This manual contains detailed solutions for the even-numbered end-of-chapter problems and cumulative review exercises.