A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. ... Chemical substances may take the form of a ...
It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: ...
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A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical ...
A chemical element is a chemical substance that cannot be broken down into other substances by chemical reactions. The basic particle that constitutes a ...
A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. When chemical reactions occur, ...
In chemistry, a chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound ...
Wikipedia Chemical Structure Explorer Explore structuresBrowse errorsDownload SMILES About github. Draw a structure. Search by: Substructure, Exact structure ...
The chemical industry comprises the companies and other organizations that develop and produce industrial, specialty and other chemicals.