Facts About Polonium and Cadmium
Interesting Facts
- 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.
  
- 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
Mining, Ores of metals
  
Found As a By-product, Found in Minerals, Mining
  
History
  
  
Who Discovered
Pierre Curie and Marie Curie
  
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
  
Discovery
In 1898
  
In 1817
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
~0.0000006 %
  
21
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Humans
Not Available