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abstraction > mathematical concept > number > constant > fundamental physical constant > physico chemical constant > Avogadro number |
Avogadro number comparison table |
Subject | is named after | has uncertainty | has definition | has value | has symbol | is a kind of | is an instance of |
---|---|---|---|---|---|---|---|
physico chemical constant | changes in value are due solely to an increase in measurement accuracy or convention | fundamental physical constant | |||||
Avogadro number | Amadeo Avogadro | 0.00000047 × 1023 mol-1 | 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). | 6.02214199 × 1023 mol-1 | NA | physico chemical constant |
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