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Mendelevium
Mendelevium

Dubnium
Dubnium



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Dubnium

Facts About Mendelevium and Dubnium

Facts

Interesting Facts

  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.

Sources

Bombarding Einsteinium with Helium Ions
Produced by Bombarding Am243 with Ne22, Synthetically Produced

History

Who Discovered

Lawrence Berkeley National Laboratory
Joint Institute for Nuclear Research

Discovery

In 1955
In 1968

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

--
0 0.1
👆🏻

Abundance In Meteorites

0.00 %0.00 %
0 22
👆🏻

Abundance In Earth's Crust

--
1E-37 8.1
👆🏻

Abundance In Oceans

--
0 1.1
👆🏻

Abundance In Humans

0.00 %-
0 1.4
👆🏻