Interesting Facts
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Bombarding Einsteinium with Helium Ions
History
Who Discovered
Joint Institute for Nuclear Research
Lawrence Berkeley National Laboratory
Discovery
In 1968
In 1955
Abundance
Abundance In Universe
0.00 %0.00 %
0
0.11
👆🏻
Abundance In Sun
--
0
0.1
👆🏻
Abundance In Meteorites
0.00 %0.00 %
0
22
👆🏻
Abundance In Earth's Crust
--
1E-37
8.1
👆🏻
Abundance In Oceans
--
0
1.1
👆🏻
Abundance In Humans
-0.00 %
0
1.4
👆🏻