Facts About Mendelevium and Roentgenium
Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
  
Not Available
  
Sources
Bombarding Einsteinium with Helium Ions
  
Synthetically Produced
  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory
  
Gesellschaft für Schwerionenforschung
  
Discovery
In 1955
  
In 1994
  
Abundance