What does a chemical represent?
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Chemical formula - Wikipedia A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. ... For example, the empirical formula of ethanol may be written C2H6O because the molecules of ethanol all contain two carbon atoms, six hydrogen atoms, and one oxygen atom.
Chemical formula - Wikipedia A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. ... For example, the empirical formula of ethanol may be written C2H6O because the molecules of ethanol all contain two carbon atoms, six hydrogen atoms, and one oxygen atom.
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