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Molybdenum
Molybdenum

Chromium
Chromium



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Molybdenum
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Chromium

Facts About Molybdenum and Chromium

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.
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Carl Wilhelm Scheele
Louis Nicolas Vauquelin
1.3.2 Discovery
In 1778
In Between 1797 - 1798
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
5 * 10-7 %
Rank: 19 (Overall)
1.5 * 10-3 %
Rank: 7 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.0000009 %
Rank: 19 (Overall)
~0.002 %
Rank: 7 (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 24 (Overall)
0.30 %
Rank: 7 (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 39 (Overall)
0.01 %
Rank: 13 (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 9 (Overall)
0.00 %
Rank: 16 (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
0.00 %
Rank: 14 (Overall)
0.00 %
Rank: 16 (Overall)
Facts About Radium
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