Facts About Strontium and Molybdenum
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
  
- Molybdenum is highly reactive metal, hence not found free in nature .
- Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
William Cruickshank
  
Carl Wilhelm Scheele
  
Discovery
In 1787
  
In 1778
  
Abundance
  
  
Abundance In Sun
~0.000005 %
  
15
~0.0000009 %
  
19
Abundance In Earth's Crust