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Polonium
Polonium

Dubnium
Dubnium



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Dubnium

Facts About Polonium and Dubnium

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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

 
  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
Mining, Ores of metals
Pierre Curie and Marie Curie
In 1898
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  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Joint Institute for Nuclear Research
In 1968
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