Facts About Barium and Thallium
Interesting Facts
- 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.
  
- Compounds of Thallium metal are highly Toxic.
- Thallium metal is being suspected as a human carcinogen.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
Found As a By-product, Ores of metals, Ores of Minerals
  
History
  
  
Who Discovered
Carl Wilhelm Scheele
  
William Crookes
  
Discovery
In 1772
  
In 1861
  
Abundance
  
  
Abundance In Sun
~0.000001 %
  
18
~0.0000001 %
  
26
Abundance In Earth's Crust
Abundance In Humans
Not Available