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Cerium
Cerium

Promethium
Promethium



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Cerium
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Promethium

Facts About Cerium and Promethium

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Facts

Interesting Facts

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Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Cerium is a rare earth metal but still it is not rare at all.
  • It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
  • Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
Found in Minerals, Mining, Ores of Minerals
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
In 1803
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  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
Found in Minerals, Mining
Chien Shiung Wu, Emilio Segrè, Hans Bethe
In 1942
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