Facts About Molybdenum and Thulium
Interesting Facts
- Molybdenum is highly reactive metal, hence not found free in nature .
- Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Carl Wilhelm Scheele
  
Per Teodor Cleve
  
Discovery
In 1778
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.0000009 %
  
19
~0.00000002 %
  
28
Abundance In Earth's Crust
Abundance In Humans
Not Available