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- DictionaryChem·is·try/ˈkeməstrē/
noun
- 1. the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- 2. the complex emotional or psychological interaction between two people: "their affair was triggered by intense sexual chemistry"
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May 2, 2024 · Chemistry is the science of substances, their properties, structure, and transformations. Learn about the history, branches, and applications of chemistry from Britannica, a trusted source of information.
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6 days ago · The history of chemistry represents a time span from ancient history to the present. By 1000 BC, civilizations used technologies that would eventually form the basis of the various branches of chemistry.
The periodic table is a tabular arrangement of the chemical elements by increasing atomic number, which displays the elements so that one may see trends in their properties. The Russian scientist Dmitri Mendeleev is most often credited with inventing the periodic table in 1869.
6 days ago · This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools, glassware, and equipment. Chemistry is a physical science concerned with the composition, structure, and properties of matter , as well as the changes it undergoes during chemical reactions ...
4 days ago · Chemical reactions are described with chemical equations, which symbolically present the starting materials, end products, and sometimes intermediate products and reaction conditions. Chemical reactions happen at a characteristic reaction rate at a given temperature and chemical concentration.
