Difference between revisions of "Chemical"
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A '''chemical''' is either an [[element]] or a [[compound]] of elements. A chemical substance is composed entirely of a set of one or more kinds of atoms, ions or isotopes. | A '''chemical''' is either an [[element]] or a [[compound]] of elements. A chemical substance is composed entirely of a set of one or more kinds of atoms, ions or isotopes. | ||
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| + | In comparison, a mixture consists of more than one chemical. For example, a solution is one or more chemicals dissolved in liquid. | ||
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| + | The study of chemicals is a [[physical science]] called ''[[Chemistry]]''. | ||
[[Category:Chemistry]] | [[Category:Chemistry]] | ||
Revision as of 22:37, August 22, 2007
A chemical is either an element or a compound of elements. A chemical substance is composed entirely of a set of one or more kinds of atoms, ions or isotopes.
In comparison, a mixture consists of more than one chemical. For example, a solution is one or more chemicals dissolved in liquid.
The study of chemicals is a physical science called Chemistry.