Facts About Dubnium and Protactinium
Interesting Facts
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
  
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
  
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
  
Found in Uranium Ores, Mining, Ores of metals
  
History
  
  
Who Discovered
Joint Institute for Nuclear Research
  
William Crookes
  
Discovery
In 1968
  
In 1900
  
Abundance
  
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available