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Facts About Dubnium and Thulium


Facts About Thulium and Dubnium


Facts

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

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

History
  
  

Who Discovered
Joint Institute for Nuclear Research   
Per Teodor Cleve   

Discovery
In 1968   
In 1879   

Abundance
  
  

Abundance In Universe
Not Available   
1 * 10-8 %   
30

Abundance In Sun
~-9999 %   
~0.00000002 %   
28

Abundance In Meteorites
Not Available   
0.00 %   
99+

Abundance In Earth's Crust
Not Available   
0.00 %   
99+

Abundance In Oceans
Not Available   
0.00 %   
99+

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