Facts About Terbium and Polonium
Interesting Facts
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
  
- 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
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
  
Mining, Ores of metals
  
History
  
  
Who Discovered
Carl Gustaf Mosander
  
Pierre Curie and Marie Curie
  
Discovery
In 1842
  
In 1898
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~0.00000001 %
  
29
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available