Avogadro number

(redirected from Avogadro constant)
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Avogadro constant: atomic mass unit, gas constant, Pv=nrt
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Avogadro number - the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000)
constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
References in periodicals archive ?
These include the Planck constant, which describes the scale of the quantum realm; the Boltzmann constant, which relates temperature and energy; the Avogadro constant, which sets the number of atoms or molecules that make up a mole; and the magnitude of the charge of an electron or proton, also known as the elementary charge.
On the elementary electrical charge and the Avogadro constant.
Researchers at the Physikalisch-Technische Bundesanstalt (PTB) have set up a complex chain of many manufacturing and analytical steps in order to - by counting the atoms in a silicon sphere - accurately determine two constants of nature: the Avogadro constant and Planck's constant.
hfs]; the speed of light in vacuum c; the Planck constant h; the elementary charge e (charge of a proton); the Boltzmann constant k; the Avogadro constant [N.
Tracing the definition of the kilogram to the Avogadro constant using a silicon single crystal.