Avogadro constant

English

Etymology

Named after Italian physicist Amedeo Avogadro (1776–1856).

Proper noun

Avogadro constant

1. (physical chemistry) The number of atoms present in 12 grams of isotopically pure carbon-12, being 6.02214076 × 10²³. By definition, the number of elementary entities (atoms or molecules) comprising one mole of a given substance.

   Synonyms: Avogadro's constant, Avogadro's number

Translations

number of atoms present in 0.012 kilograms of isotopically pure carbon-12 — see Avogadro's number

Further reading

• Avogadro constant on Wikipedia.Wikipedia