In this edition, Leo Michels continues to offer a review of math concepts and basic chemical principles with an emphasis on the mathematical and conceptual skills needed for preparatory and general chemistry. The book is divided into frames, each of which contains questions and problems with answers that appear on the same page, allowing students to grasp each new idea before proceeding to more difficult material. The book also includes self-evaluation tests, which appear at the end of each unit with the answers appearing in the back of the book. Michels uses SI units and current abbreviations for measurements and addresses the calculator.
This book works as a stand-alone text or as a supplement to a preparatory chemistry text such as Morris Hein and Susan Arena's Foundations of College Chemistry, 10th and 7th Alternate Editions.

### Table of Contents

1. Whole Numbers and Decimals

2. Signed Numbers

3. Powers of Ten and Logarithms

4. Measurement Concepts and Dimensional Analysis

5. The Metric System, Density, and Specific Gravity

6. The Division and Properties of Matter

7. Atomic Structure

8. Chemical Bonding and Formula Writing

9. Naming Compounds

10. Balancing Chemical Equations

11. Weight Relations in Chemistry

12. Chemical Equations and Stoichiometry

13. The Concentration of Solutions

14. The Gas Laws

Test Answers / Periodic Table of the Elements / Glossary / Measurement Tables