1 Facts
1.1 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.
1.2 Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Found in Uranium Ores, Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Joint Institute for Nuclear Research
William Crookes
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.5.1 Abundance In Meteorites
1.6.1 Abundance In Earth's Crust
1.6.2 Abundance In Oceans
1.6.3 Abundance In Humans