Facts About Neptunium and Einsteinium
Interesting Facts
Neptunium was the first transuranium element to be discovered.
- Einsteinium is the transuranic element found in US.
- Only 0.01 mg of Einsteinium was synthesized in 1961.
Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Made by Bombarding Uranium with Neutrons
Who Discovered
Edwin McMillan and Philip H. Abelson
Lawrence Berkeley National Laboratory
Discovery
In 1940
In 1952
Abundance In Earth's Crust