Born: 9 August 1776
Died: 9 July 1856
Birthplace: Turin, Piedmont, Italy
Best known as: The guy they named Avogadro's Number after
Name at birth: Lorenzo Romano Amedeo Carlo Avogadro
Italian physicist Amedeo Avogadro put forth the hypothesis that equal volumes of gases under the same conditions of pressure and temperature contain the same number of particles. Trained as a lawyer, Avogadro turned to the study of science and spent most of his career as Chair of Mathematical Physics at Turin. Although he published widely on subjects in physics and chemistry, he is most famous for building on the work of French chemist Joseph Louis Guy-Lussac (1778-1850) with the 1811 publication of his hypothesis, and the idea that gases are made up of atoms or combinations of atoms (molecules) and can be quantified. Although his work was largely ignored during his lifetime, by the 1880s it was universally accepted, thanks to Stanislao Cannizzaro, who created a table of atomic weights based on Avogadro's work. Later physicists and chemists determined the value of "Avogadro's Number," the number of gas molecules in one mole (the atomic or molecular weight in grams), as 6.022 x 1023.
Extra credit: In 1787 Avogadro inherited his father's title as Count of Quaregna.
Copyright © 1998-2014 by Who2?, LLC. All rights reserved.
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /site/html/include/amazon.php on line 71 Warning: fsockopen(): unable to connect to :3128 (php_network_getaddresses: getaddrinfo failed: Name or service not known) in /site/html/include/amazon.php on line 71
More on Amedeo Avogadro from Infoplease:
Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.