Facts About Osmium and Polonium
Interesting Facts
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
- 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 As a By-product, Found in Minerals, Mining
  
Mining, Ores of metals
  
History
  
  
Who Discovered
Smithson Tennant
  
Pierre Curie and Marie Curie
  
Discovery
In 1803
  
In 1898
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~0.0000002 %
  
25
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available