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Seaborgium
Seaborgium

Promethium
Promethium



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Seaborgium
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Promethium

Facts About Seaborgium and Promethium

1 Facts
1.1 Interesting Facts
  • 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.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
Synthetically Produced
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1974
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4