empirical formula

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empirical formula:

see formulaformula,
in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions. Compounds are combinations in fixed proportions of the chemical elements.
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empirical formula

[em′pirṁəṁkəl ′fȯrṁmyəṁlə]
(chemistry)
A chemical formula that indicates the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio; for example, the empirical formula for fluorobenzene is C6H5F.
References in periodicals archive ?
0] and damping constant h were expressed by empirical formulae proposed by Yasuda et al.
This led to empirical formulae for creep compliance defined as the reciprocal of the creep modulus.
Also included are CAS and EINECS identifying numbers, synonyms, molecular and empirical formulae, definition, classification, general properties, uses, regulatory, toxicological, and precaution information.

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