×

Americium
Americium

Roentgenium
Roentgenium



ADD
Compare
X
Americium
X
Roentgenium

Facts About Americium and Roentgenium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Americium metal is produced by bombarding Plutonium with Neutrons.
  • Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).
Obtained By Bombarding Plutonium with Neutrons
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
In 1944
0.00 %
0.00 %
0.00 %
0.00 %
-
0.00 %
 
Roentgenium is a highly unstable synthetic element.
Synthetically Produced
Gesellschaft für Schwerionenforschung
In 1994
0.00 %
-
-
-
-
-