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Actinium
Actinium

Promethium
Promethium



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Promethium

Facts About Actinium and Promethium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
Actinium glows in the dark due to its radioactivity.
Obtained by Treating Radium with Neutrons, Ores of metals
Friedrich Oskar Giesel
In 1902
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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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