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Definitions from WordNet
Noun avogadro number has 1 sense
- Avogadro's number, Avogadro number - the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000)
--1 is a kind of constant
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Definitions from the Web
Avogadro Number
Definition: The Avogadro number, also known as Avogadro's constant, is the number of atoms or molecules in one mole of any substance. It is approximately equal to 6.022 × 10^23, and is often represented by the symbol "NA".
Senses:
- Chemistry: The number of atoms or molecules in one mole of a substance.
- Physics: A fundamental constant used to relate the amounts of substances in chemical reactions.
Sample Sentences:
- In chemistry, the Avogadro number indicates the number of atoms or molecules present in one mole of a substance. For example, a mole of carbon atoms contains the Avogadro number of about 6.022 × 10^23 carbon atoms.
- Avogadro's constant is extensively used in physics to determine the quantities of substances present in chemical reactions. It is a crucial value for understanding and calculating stoichiometry.
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