Facts About Polonium and Hafnium
Interesting Facts
- 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.
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Mining, Ores of metals
By-product Zirconium Refining
Who Discovered
Pierre Curie and Marie Curie
Dirk Coster and George de Hevesy
Discovery
In 1898
In 1922
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available