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Einsteinium
Einsteinium

Roentgenium
Roentgenium



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Einsteinium
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Roentgenium

Facts About Einsteinium and Roentgenium

Facts

Interesting Facts

  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
Roentgenium is a highly unstable synthetic element.

Sources

Made by Bombarding Uranium with Neutrons
Synthetically Produced

History

Who Discovered

Lawrence Berkeley National Laboratory
Gesellschaft für Schwerionenforschung

Discovery

In 1952
In 1994

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %-
0 0.1
👆🏻

Abundance In Meteorites

0.00 %-
0 22
👆🏻

Abundance In Earth's Crust

0.00 %-
1E-37 8.1
👆🏻

Abundance In Oceans

--
0 1.1
👆🏻

Abundance In Humans

0.00 %-
0 1.4
👆🏻