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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

  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.

Sources

By-product Zirconium Refining
Made by Bombarding Molybdenum with Deuterons

History

Who Discovered

Dirk Coster and George de Hevesy
Emilio Segrè and Carlo Perriero

Discovery

In 1922
In 1937

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %0.00 %
0 0.1
👆🏻

Abundance In Meteorites

0.00 %-
0 22
👆🏻

Abundance In Earth's Crust

0.00 %0.00 %
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %-
0 1.1
👆🏻

Abundance In Humans

0.00 %-
0 1.4
👆🏻