Facts About Thallium and Barium
Interesting Facts
- Compounds of Thallium metal are highly Toxic.
- Thallium metal is being suspected as a human carcinogen.
  
- Barium oxidizes very easily in the air.
- All toxic compounds of Barium can easily dissolve in water.
- Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
Sources
Found As a By-product, Ores of metals, Ores of Minerals
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
William Crookes
  
Carl Wilhelm Scheele
  
Discovery
In 1861
  
In 1772
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.000001 %
  
18
Abundance In Earth's Crust
Abundance In Humans
Not Available