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Promethium
Promethium

Seaborgium
Seaborgium



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Promethium
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Seaborgium

Facts About Promethium and Seaborgium

1 Facts
1.1 Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
1.2 Sources
Found in Minerals, Mining
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Lawrence Berkeley National Laboratory
1.3.2 Discovery
In 1942
In 1974
1.5 Abundance
1.5.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.5.2 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.6.3 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
2.2.2 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
2.3.2 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
2.3.4 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4