Facts About Roentgenium and Hafnium
Interesting Facts
Not Available
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Synthetically Produced
By-product Zirconium Refining
Who Discovered
Gesellschaft für Schwerionenforschung
Dirk Coster and George de Hevesy
Discovery
In 1994
In 1922
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