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Hafnium
Hafnium
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Technetium
Technetium
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Facts About Hafnium and Technetium
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1 Facts
1.1 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.
1.2 Sources
By-product Zirconium Refining
Made by Bombarding Molybdenum with Deuterons
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Emilio Segrè and Carlo Perriero
1.3.2 Discovery
In 1922
In 1937
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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7 * 10-8 %
Rank: 25 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Thallium
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1.4.3 Abundance In Sun
Facts About Iron
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~0.0000001 %
Rank: 26 (Overall)▶
~-9999 %
Rank: N/A (Overall)▶
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Facts About Beryllium
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1.4.4 Abundance In Meteorites
Facts About Iron
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0.00 %
Rank: 37 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Gold
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1.5.2 Abundance In Earth's Crust
Facts About Alu..
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0.00 %
Rank: 31 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Radium
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1.6.2 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 27 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Protactinium
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1.6.4 Abundance In Humans
Facts About Cal..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Radium
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