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Avogadro constant
One of the best known examples of a large number in science. It is named after the Italian chemist Amedeo Avogadro (1776-1856) and is defined as the number of carbon atoms in 12 grams of pure carbon, or, more generally as the number of atoms of n grams in an element with atomic weight n. It has the value 6.02214199 × 1023.
Related categories
• PHYSICAL CHEMISTRY
• NOTABLE NUMBERS
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