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Osmium
Osmium
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Chromium
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Facts About Osmium and Chromium
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1 Facts
1.1 Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  • 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 As a By-product, Found in Minerals, Mining
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Louis Nicolas Vauquelin
1.3.2 Discovery
In 1803
In Between 1797 - 1798
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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3 * 10-7 %
Rank: 21 (Overall)▶
1.5 * 10-3 %
Rank: 7 (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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~0.0000002 %
Rank: 25 (Overall)▶
~0.002 %
Rank: 7 (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: 28 (Overall)▶
0.30 %
Rank: 7 (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: 53 (Overall)▶
0.01 %
Rank: 13 (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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Not Available
Rank: N/A (Overall)▶
0.00 %
Rank: 16 (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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Not Available
Rank: N/A (Overall)▶
0.00 %
Rank: 16 (Overall)▶
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Facts About Radium
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