Facts About Hafnium and Dubnium
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
Sources
By-product Zirconium Refining
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Who Discovered
Dirk Coster and George de Hevesy
Joint Institute for Nuclear Research
Discovery
In 1922
In 1968
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available