chemical formula

chemical formula
combination of symbols representing the composition of a chemical substance

English contemporary dictionary. 2014.

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  • chemical formula — Expression of the composition or structure of a chemical compound. Formulas for molecules use chemical symbols with subscript numbers to show the number of atoms of each element: O2 for molecular oxygen, O3 for ozone, CH4 for methane, C6H6 for… …   Universalium

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  • Chemical substance — Chemical redirects here. For other uses, see Chemical (disambiguation). Steam and liquid water are two different forms of the same chemical substance, water. In chemistry, a chemical substance is a form of matter that has constant chemical… …   Wikipedia

  • formula — ► NOUN (pl. formulae (in senses 1 and 2) or formulas) 1) a mathematical relationship or rule expressed in symbols. 2) (also chemical formula) a set of chemical symbols showing the elements present in a compound and their relative proportions. 3)… …   English terms dictionary

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