Facts About Niobium and Barium
Interesting Facts
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
  
- 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
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Charles Hatchett
  
Carl Wilhelm Scheele
  
Discovery
In 1801
  
In 1772
  
Abundance
  
  
Abundance In Sun
~0.0000004 %
  
23
~0.000001 %
  
18
Abundance In Earth's Crust
Abundance In Humans
Not Available