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Protactinium
Protactinium

Dubnium
Dubnium



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Dubnium

Facts About Protactinium and Dubnium

Facts

Interesting Facts

  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.

Sources

Found in Uranium Ores, Mining, Ores of metals
Produced by Bombarding Am243 with Ne22, Synthetically Produced

History

Who Discovered

William Crookes
Joint Institute for Nuclear Research

Discovery

In 1900
In 1968

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %-
0 0.1
👆🏻

Abundance In Meteorites

-0.00 %
0 22
👆🏻

Abundance In Earth's Crust

0.00 %-
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %-
0 1.1
👆🏻

Abundance In Humans

0.00 %-
0 1.4
👆🏻