Facts About Hafnium and Bismuth
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
  
- Bismuth metal is soluble and reacts with concentrated nitric acid.
- It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
Sources
By-product Zirconium Refining
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Dirk Coster and George de Hevesy
  
Claude François Geoffroy
  
Discovery
In 1922
  
In 1753
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.000006 %
  
14
Abundance In Earth's Crust