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• Amedeo Avogadro (noun)
  1. 1776-1856 italian physicist noted for his work on gases; proposed what has come to be called Avogadro's law
• Avogadro number (noun)
  1. approximately 602,250,000,000,000,000,000,000 the number of molecules in a mole of a substance
• Avogadro's hypothesis (noun)
  1. given the same temperature and pressure the principle that equal volumes of all gases contain equal numbers of molecules
• Avogadro's law (noun)
  1. given the same temperature and pressure the principle that equal volumes of all gases contain equal numbers of molecules
• Avogadro's number (noun)
  1. approximately 602,250,000,000,000,000,000,000 the number of molecules in a mole of a substance
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