About ChemWarden Learn

ChemWarden Learn is a free chemistry reference, organised as one map from GCSE to research level. It is part of ChemWarden, which builds chemical-safety software for laboratories.

How the content is made

• Written and checked by a chemist. No explanation appears on this site until it has been reviewed and marked as verified. Unwritten levels say so plainly rather than showing filler.
• Key equations are the standard textbook forms. Conventions differ between courses (sign of work, standard pressure, units), so check against your syllabus.
• Preprints come from ChemRxiv's metadata in Crossref, matched by keyword. We show titles and links only. Preprints have not been peer-reviewed.

Benchmarking the index

The topic map was checked for coverage against the scope of these standard texts. The wording, structure and explanations here are our own; no text is copied from them.

• Atkins, de Paula & Keeler, Atkins' Physical Chemistry, 12th ed., Oxford University Press, 2022.
• Weller, Rourke, Armstrong, Lancaster & Overton, Inorganic Chemistry, 8th ed., Oxford University Press, 2025.
• Housecroft & Sharpe, Inorganic Chemistry, 5th ed., Pearson, 2018.
• Clayden, Greeves & Warren, Organic Chemistry, 2nd ed., Oxford University Press, 2012.
• Anslyn & Dougherty, Modern Physical Organic Chemistry, University Science Books, 2006.
• Crabtree, The Organometallic Chemistry of the Transition Metals, 7th ed., Wiley, 2019.
• Hartwig, Organotransition Metal Chemistry, University Science Books, 2010.
• Chorkendorff & Niemantsverdriet, Concepts of Modern Catalysis and Kinetics, 3rd ed., Wiley-VCH, 2017.
• van Leeuwen, Homogeneous Catalysis: Understanding the Art, Kluwer, 2004.
• Steiner, The Chemistry Maths Book, 2nd ed., Oxford University Press, 2008.

Licence

Text on this site is licensed under CC BY-SA 4.0: share and adapt it, with credit, under the same licence.

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