Resources

Notes on Atkins: Chemical Principles, by CODStaff

UK resource with exceptional inorganic chemistry

Open source chemistry textbooks

Short notes on assorted chemistry topics

Link to U.S. National Chemistry Olympiad exams

Problem base of USNCO exams, sorted by topic

A funner way to learn A-level/IB chemistry

USNCO Exam Walkthroughs

Official CODS Youtube with Staff Lectures

Accurate information on the properties of any chemical.

Introductory chemistry explained simply

Recommended beginner general chemistry textbook

Recommended non-beginner general chemistry textbook