Avogadro constant
E5003
The Avogadro constant is the fundamental physical constant that specifies the number of constituent particles, usually atoms or molecules, in one mole of a substance.
Aliases (4)
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
SI defining constant
→
fundamental constant → physical constant → |
| appliesTo |
atoms in 12 grams of carbon-12
→
constituent particles → |
| enables | conversion between number of particles and amount of substance → |
| hasApproximateValue | 6.02214076×10^23 → |
| hasCODATAValue | 6.02214076×10^23 mol^−1 → |
| hasDimension | inverse amount of substance → |
| hasExactValue | 6.02214076×10^23 → |
| hasStatus | exact in SI since 2019 → |
| hasSymbol |
L
→
N_A → |
| hasUncertainty | zero in SI definition → |
| hasUnit | mol^−1 → |
| isAlsoCalled |
Avogadro constant
→
surface form: "Avogadro number"
|
| isCategory | microscopic to macroscopic conversion factor → |
| isDefinedAs | number of constituent particles in one mole of substance → |
| isDefinedBy | fixed numerical value in SI → |
| isListedIn | CODATA recommended values of the fundamental physical constants → |
| isMeasuredBy |
X-ray crystal density method
→
silicon sphere experiments → |
| isNamedAfter | Amedeo Avogadro → |
| isPartOf |
International System of Units
→
Boltzmann constant →
surface form: "SI base unit definitions"
|
| isRelatedTo |
Boltzmann constant
→
Faraday constant → Planck constant → gas constant → |
| isStandardNotationFor | number of entities per mole → |
| isUsedIn |
Avogadro’s law calculations
→
chemistry → ideal gas law formulations → molar mass calculations → physics → statistical mechanics → thermodynamics → |
| isUsedToDefine | mole → |
| relatesTo |
amount of substance
→
atoms → mole → molecules → |
| wasHistoricallyDeterminedFrom |
electrolysis experiments
→
properties of gases → |
| wasPreviouslyMeasuredAs | approximately 6.022×10^23 mol^−1 → |
| wasRedefinedIn | 2019 SI redefinition → |
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form: "Avogadro's number"
CODATA recommended values of the fundamental physical constants
→
includesConstant
→
Avogadro constant
→
CODATA recommended values of the fundamental physical constants
→
includesConstant
→
Avogadro constant
→
this entity surface form: "Loschmidt constant"
this entity surface form: "Avogadro number"
this entity surface form: "Avogadro's law"