Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical …

Chem, a sister journal to Cell, provides a home for seminal and insightful research and showcases how fundamental studies in chemistry and its sub-disciplines may help in finding potential solutions to the …

Chemical substances are classified in terms of their structure, phase, as well as their chemical compositions. They can be analyzed using the tools of chemical analysis, e.g. spectroscopy and …

Chem, a sister journal to Cell, provides a home for seminal and insightful research and showcases how fundamental studies in chemistry and its sub-disciplines may help in finding potential solutions to the …

May 22, 2026 · Chemistry is the science of the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is …

Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or …

Jun 27, 2018 · Audio tracks for some languages were automatically generated. Learn more. This video tutorial provides a basic introduction into chemistry.

Chemistry is the study of matter and the changes it undergoes.

Apr 3, 2026 · Bruce Gibb examines the chemistry and geology of this rare earth element, and considers how its recovery from mine waste could strengthen future supplies.

Welcome to the Chemistry Library. This Living Library is a principal hub of the LibreTexts project, which is a multi-institutional collaborative venture to develop the next generation of open-access texts to …