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

The chemistry archive contains legacy chemistry content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle School …

Unit 1: Atoms, compounds, and ions About this unit This unit is part of the Chemistry archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check …

Learn AP Chemistry using videos, articles, and AP-aligned practice. Review the fundamentals of atomic structure, intermolecular forces and bonding, chemical reactions, kinetics, …

Learn chemistry using videos, articles, and NGSS-aligned practice exercises. Explore the world of elements, compounds, and mixtures, learn about the periodic table, understand physical …

A big picture view of chemistry and why it is fascinating. How chemistry relates to math and other sciences.

In organic chemistry, we will learn about the reactions chemists use to synthesize crazy carbon based structures, as well as the analytical methods to characterize them.

This course has videos and articles covering many of the topics in AP Chemistry. More material, including practice, is also available in our new course, AP Chemistry beta.

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of …

Learn chemistry using videos, articles, and NGSS-aligned practice exercises. Explore the world of elements, compounds, and mixtures, learn about the periodic table, understand physical …