About The Book Barron's makes learning Chemistry fun and PAINLESS! Learning at home is now the new normal. Need a quick and painless refresher? Barron’s Painless books make learning easier while you balance home and school. 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.