Facts About Protactinium and Dubnium
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
Who Discovered
William Crookes
Joint Institute for Nuclear Research
Discovery
In 1900
In 1968
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available