Avogadro's Number (Noun)
Meaning
The number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000).
Classification
Nouns denoting quantities and units of measure.
Examples
- Avogadro's number is a fundamental constant in chemistry that represents the number of molecules in a mole of a substance.
- The concept of Avogadro's number was first proposed by Italian scientist Amedeo Avogadro in the early 19th century.
- Avogadro's number is approximately equal to 6.022 x 10^23 molecules per mole of a substance.
- Scientists use Avogadro's number to calculate the number of molecules in a given sample of a substance.
- The value of Avogadro's number has been refined over time through various experiments and measurements.