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Molybdenum
Molybdenum
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Hafnium
Hafnium
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Molybdenum
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Hafnium

Facts About Molybdenum and Hafnium
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1 Facts
1.1 Interesting Facts
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
By-product Zirconium Refining
1.3 History
1.3.1 Who Discovered
Carl Wilhelm Scheele
Dirk Coster and George de Hevesy
1.3.2 Discovery
In 1778
In 1922
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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5 * 10-7 %
Rank: 19 (Overall)▶
7 * 10-8 %
Rank: 25 (Overall)▶
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Facts About Thallium
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1.4.2 Abundance In Sun
Facts About Iron
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~0.0000009 %
Rank: 19 (Overall)▶
~0.0000001 %
Rank: 26 (Overall)▶
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Facts About Beryllium
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1.4.3 Abundance In Meteorites
Facts About Iron
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0.00 %
Rank: 24 (Overall)▶
0.00 %
Rank: 37 (Overall)▶
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Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
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0.00 %
Rank: 39 (Overall)▶
0.00 %
Rank: 31 (Overall)▶
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Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 9 (Overall)▶
0.00 %
Rank: 27 (Overall)▶
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Facts About Protactinium
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1.4.6 Abundance In Humans
Facts About Cal..
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0.00 %
Rank: 14 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Radium
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