Facts About Strontium and Praseodymium
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
  
- Praseodymium metal is synthetically produced metal.
- Praseodymium is used as possible fuel for radioactive generators.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
William Cruickshank
  
Not Available
  
Discovery
In 1787
  
In 1885
  
Abundance
  
  
Abundance In Sun
~0.000005 %
  
15
~0.0000001 %
  
26
Abundance In Earth's Crust
Abundance In Humans
Not Available