Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Facts About Polonium and Holmium


Facts About Holmium and Polonium


Facts

Interesting Facts
  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
  
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  

Sources
Mining, Ores of metals   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Pierre Curie and Marie Curie   
Marc Delafontaine   

Discovery
In 1898   
In 1878   

Abundance
  
  

Abundance In Universe
Not Available   
5 * 10-8 %   
27

Abundance In Meteorites
Not Available   
0.00 %   
99+

Abundance In Earth's Crust
Not Available   
0.00 %   
38

Abundance In Oceans
0.00 %   
99+
0.00 %   
99+

Uses >>
<< Periodic Table

Compare Post Transition Metals

Post-Transition Metals

Post-Transition Metals

» More Post-Transition Metals

Compare Post Transition Metals

» More Compare Post Transition Metals