Chemistry From Wikipedia, the free encyclopedia Jump to navigation Jump to search Not to be confused with Kemistry . For other uses, see Chemistry (disambiguation) . "Chemical science" redirects here. For the journal, see Chemical Science (journal) . Part of a series on Chemistry Science of matter Index Outline Glossary History ( timeline ) show Key components show Branches show Research Chemistry portal Category v t e An oil painting of a chemist ( Ana Kansky , painted by Henrika ล antel in 1932) Chemistry is the scientific study of the properties and behavior of matter . [1] It is a natural science that covers the elements that make up matter to the compounds composed of atoms , molecules and ions : their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances ...