Chen L. Painless Chemistry

3th ed. — Barrons Educational, 2020. — 278 p.Painless Chemistry provides lighthearted, step-by-step learning and includes:
Complex topics broken down with examples and illustrations, including atomic theory, chemical bonding, the structure of molecules, and more
The Periodic Table of Elements and how it offers the key to understanding Chemistry
Painless tips, instructive tables,“Brain Tickler” quizzes and answers throughout each chapter, and more.