Facts About Silver and Thulium
Interesting Facts
- It is the most reflective element.
- Silver is the second most ductile metal after Gold.
- It is also used in Dentistry as a dental alloys for clips and crowning.
  
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
Sources
Earth's crust, Found in Minerals, Ores of metals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Unknown
  
Per Teodor Cleve
  
Discovery
Before 5000 BC
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.00000002 %
  
28
Abundance In Earth's Crust