Facts About Hafnium and Polonium
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- Polonium was the first radioactive element to be discovered.
- Polonium element and its compounds are highly radioactive.
- Its alloy with Beryllium provides source of neutrons.
Sources
By-product Zirconium Refining
Mining, Ores of metals
Who Discovered
Dirk Coster and George de Hevesy
Pierre Curie and Marie Curie
Discovery
In 1922
In 1898
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available