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NOMBRE AVOGADRO [1 record]

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Record 1 2008-08-01

English

Subject field(s)
  • Physics
DEF

The number of atoms in a gram atom or of molecules in a gram molecule of any substance (as for oxygen the number of atoms in 16 grams), its value being 6.023 X 1023.

OBS

Avogadro's number is the numerical value of Avogadro's constant. These terms are not synonyms.

French

Domaine(s)
  • Physique
DEF

Le nombre d'Avogadro représente le nombre d'entités élémentaires (atomes, ions, molécules...) contenues dans une mole de matière.

OBS

Le nombre d'Avogadro se note : N. N=6,023 x 1023 [...] même si 6,02252 x 1023 est une meilleure approximation de N.

OBS

Le «nombre d'Avogadro» correspond à la valeur numérique de la «constante d'Avogadro». Ces termes ne sont pas synonymes.

Spanish

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