Numri i Avogadros (NA)

Numri i Avogadros (NA)

The number of atoms in 12 grams of carbon 12. The number of atoms in a gram-atom (mass in grams numerically equal to the atomic weight) or the number of molecules in a gram-molecule (mass in grams numerically equal to the molecular weight.)

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Industry/Domain: Astronomy
Category: General astronomy
Company: Caltech
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