Facts About Francium and Americium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Americium metal is produced by bombarding Plutonium with Neutrons.
- Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).
Sources
Formed by Decay Process, Mining
Obtained By Bombarding Plutonium with Neutrons
Who Discovered
Marguerite Perey
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Discovery
In 1939
In 1944