Facts About Iridium and Radium
Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
  
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Mining, Ores of metals
  
History
  
  
Who Discovered
Smithson Tennant
  
Not Available
  
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
Abundance In Oceans
Not Available
  
Abundance In Humans
Not Available