Facts About Barium and Copper
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.
  
- Copper rarely found in its pure form in nature.
- Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals
  
History
  
  
Who Discovered
Carl Wilhelm Scheele
  
Unknown
  
Discovery
In 1772
  
In Middle East (9000 BCE)
  
Abundance
  
  
Abundance In Sun
~0.000001 %
  
18
Abundance In Earth's Crust