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
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