Chemistry Notes & Lessons

Oct 16, 2026

Completely rewritten: a full general chemistry course in 80 lessons, from atoms, bonding and the mole to gases, solutions, thermodynamics, kinetics, equilibrium, acids and bases, electrochemistry, nuclear and organic chemistry, with original drawings, worked examples, practice questions and reference tables. Now in 8 languages: English, Spanish, Portuguese, French, German, Arabic, Hindi and Indonesian.