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Facts About Yttrium and Polonium


Facts About Polonium and Yttrium


Facts

Interesting Facts
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
  • 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 in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals   

History
  
  

Who Discovered
Johan Gadolin   
Pierre Curie and Marie Curie   

Discovery
In 1794   
In 1898   

Abundance
  
  

Abundance In Universe
7 * 10-7 %   
17
Not Available   

Abundance In Sun
~0.0000001 %   
26
~-9999 %   

Abundance In Meteorites
0.00 %   
21
Not Available   

Abundance In Earth's Crust
0.00 %   
22
Not Available   

Abundance In Oceans
0.00 %   
25
0.00 %   
99+

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