'''Amedeo Avogadro'''(1776-1856) was an [[Italy|Italian]] [[chemist]] and devout [[Christian]] who studied the volume of [[gas]]es. He discovered what is now known as [[Avogadro's Principle]] or Avogadro's Law. Over 50 years later the significance of his discovery was appreciated, and the concept of a [[mole]] was discovered. The number of molecules in a mole is called [[Avogadro's number]]. | '''Amedeo Avogadro'''(1776-1856) was an [[Italy|Italian]] [[chemist]] and devout [[Christian]] who studied the volume of [[gas]]es. He discovered what is now known as [[Avogadro's Principle]] or Avogadro's Law. Over 50 years later the significance of his discovery was appreciated, and the concept of a [[mole]] was discovered. The number of molecules in a mole is called [[Avogadro's number]]. |