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Hafnium
Hafnium

Technetium
Technetium



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Hafnium
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Technetium

Facts About Hafnium and Technetium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
By-product Zirconium Refining
Dirk Coster and George de Hevesy
In 1922
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  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
Made by Bombarding Molybdenum with Deuterons
Emilio Segrè and Carlo Perriero
In 1937
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