Americium

From Citizendium
Revision as of 18:44, 10 May 2010 by imported>David Yamakuchi
Jump to navigation Jump to search
This article is a stub and thus not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Properties [?]
 
This editable Main Article is under development and subject to a disclaimer.

Americium is a synthetic chemical element, having the chemical symbol Am.

Americium
243



  Am
95
[ ? ] Transuranic element:

Its atomic number (the number of protons) is 95. It has a Standard Atomic Weight of 243, and is typically found as a solid in its elemental form.

The Plutonium isotopes Pu-241 and Pu-243 undergo β− decay transforming into isotopes of Americium. The fourth transuranic element, Americium was identified by Seaborg, Morgan, James, and Ghiorso at the University of Chicago in 1944.[1]