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Curium
Curium

Promethium
Promethium



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Facts About Curium and Promethium

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1 Facts
1.1 Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
Bombarding Plutonium with Helium Ions
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1944
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.4.3 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
2.1.1 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
2.2.1 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
2.4.2 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
2.4.3 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4