High school chemistry

Learn high school chemistry using videos, articles, and NGSS-aligned practice. Explore the fundamentals of atomic structure, chemical bonding, chemical reactions, thermochemistry, solutions, acids and bases, and nuclear chemistry.

10 units79 videos10 hours

Learn it live with a class on Puzzicle · Teachers: use it with your class

Unit 1: Atoms, isotopes, and ions

Unit 2: Atomic models and periodicity

The Bohr model and atomic spectra

Unit 3: Chemical bonding

Unit 4: Chemical reactions

Unit 5: Stoichiometry and the mole

Unit 6: States of matter

Unit 7: Thermochemistry

Unit 8: Solutions, acids, and bases

Unit 9: Reaction rates and equilibrium

Unit 10: Nuclear chemistry

Half-life and radiometric dating

Learn this with a class

With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.

Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.