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Resources

Free books, simulations, tools and reference sheets, chosen and shared by teachers and learners. Pick a subject and a level to see what is there.

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NCERT textbooks: Science and Chemistry

The official school textbooks, free to read and download. Look for the Science book of your class, or the Chemistry book for classes 11 and 12.

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Ptable: an interactive periodic table

A clear periodic table where you can click an element and see its properties, trends and isotopes. Handy while you read the chapters on the periodic table.

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PubChem: look up any substance

Type the name or formula of a substance and see its structure, properties and uses. It is run by the US National Library of Medicine and is free.

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Chemistry LibreTexts

A large open library of chemistry texts written by teachers and professors. Use the search box to find the topic of your chapter.

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Chemistry 2e (OpenStax)

A complete free chemistry textbook with clear explanations and many exercises, from atoms to equilibrium. Free to read online, from OpenStax at Rice University, licensed under CC BY 4.0.

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