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Thulium
Thulium

Dubnium
Dubnium



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Dubnium

Facts About Thulium and Dubnium

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Facts

Interesting Facts

  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.

Sources

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

History

Who Discovered

Per Teodor Cleve
Joint Institute for Nuclear Research

Discovery

In 1879
In 1968

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %-
0 0.1
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Abundance In Meteorites

0.00 %0.00 %
0 22
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Abundance In Earth's Crust

0.00 %-
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %-
0 1.1
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Abundance In Humans

0.00 %-
0 1.4
👆🏻