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Encyclopediacompoundcompound, in chemistry, a substance composed of atoms of two or more elements in chemical combination, occurring in a fixed, definite proportion and arranged in a fixed, definite structure. A compound is often represented by its chemical formula. The formula for water is H2O, and for sodium chloride, NaCl. The formula weight of a compound can be determined from its formula. The molecular weight of a molecular compound can be determined from its molecular formula. Two or more distinct compounds that have the same molecular formula but different properties are called isomers. Sections in this article: The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved. More on compound from Infoplease:
- cyclic compound - cyclic compound cyclic compound, any one of a class of compounds whose molecules contain a number ...
- aliphatic compound - aliphatic compound aliphatic compound , any of a large class of organic compounds whose carbon ...
- aromatic compound - aromatic compound aromatic compound, any of a large class of compounds that includes benzene and ...
- compound: Formation and Decomposition of Compounds - Formation and Decomposition of Compounds Compounds are formed from simpler substances by chemical ...
- chain compound - chain compound: chain compound: see aliphatic compound.
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