Facts About Osmium and Promethium
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.
  
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
  
Sources
Found As a By-product, Found in Minerals, Mining
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Smithson Tennant
  
Chien Shiung Wu, Emilio Segrè, Hans Bethe
  
Discovery
In 1803
  
In 1942
  
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