Facts About Iridium and Cadmium
Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
  
- Naturally occurring minor elements include Cadmium.
- Cadmium is released into atmosphere to control volcanic eruption and forest fires.
- It is used for electroplating of Steel for corrosion resistance.
- It can absorb neutrons and used in nuclear reactor to control atomic fission.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found As a By-product, Found in Minerals, Mining
  
History
  
  
Who Discovered
Smithson Tennant
  
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
  
Discovery
In 1803
  
In 1817
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
~0.0000006 %
  
21
Abundance In Earth's Crust
Abundance In Oceans
Not Available
  
Abundance In Humans
Not Available