A free study app for IB Diploma Chemistry (first assessment 2025), SL and HL: clear lessons for every topic in Structure and Reactivity, molecules and reactions you can explore, unlimited calculation practice that marks every step, data-based and exam-style questions with worked solutions, and a planner for the scientific investigation. No sign-up.
© 2026 Amir Abdel Baki. All rights reserved. This work has been developed independently from and is not endorsed by the International Baccalaureate Organization.