Difference between revisions of "Chemical"
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| − | A '''chemical''' is a substance | + | 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 [[atom]]s, [[ion]]s or [[isotopes]]. |
| − | + | 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]]''. | ||
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| + | [[Category:Chemistry]] | ||
Latest revision as of 21:18, June 11, 2008
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.