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
History
Who Discovered
Edwin McMillan and Philip H. Abelson
Lawrence Berkeley National Laboratory
Discovery
In 1940
In 1952
Abundance
Abundance In Universe
0.00 %0.00 %
0
0.11
👆🏻
Abundance In Sun
0.00 %0.00 %
0
0.1
👆🏻
Abundance In Meteorites
0.00 %0.00 %
0
22
👆🏻
Abundance In Earth's Crust
0.00 %0.00 %
1E-37
8.1
👆🏻
Abundance In Oceans
--
0
1.1
👆🏻
Abundance In Humans
0.00 %0.00 %
0
1.4
👆🏻