Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Facts About Hafnium and Thorium


Facts About Thorium and Hafnium


Facts

Interesting Facts
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
  
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
  

Sources
By-product Zirconium Refining   
Found in Minerals, Mining   

History
  
  

Who Discovered
Dirk Coster and George de Hevesy   
Jöns Jakob Berzelius   

Discovery
In 1922   
In 1829   

Abundance
  
  

Abundance In Universe
7 * 10-8 %   
25
3 * 10-4 %   
9

Abundance In Sun
~0.0000001 %   
26
~0.0004 %   
9

Abundance In Meteorites
0.00 %   
37
0.05 %   
11

Abundance In Earth's Crust
0.00 %   
31
0.66 %   
7

Abundance In Oceans
0.00 %   
27
0.00 %   
15

Uses >>
<< Periodic Table

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals