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Facts About Calcium and Osmium
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1 Facts
1.1 Interesting Facts
  • Calcium ranks 5th rank in the list of earth’s abundance Percentage.
  • It is found in the compound state.
  • Gypsum or calcium sulfate is used as plaster and plaster of paris.
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found As a By-product, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Humphry Davy
Smithson Tennant
1.3.2 Discovery
In 1808
In 1803
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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7 * 10-3 %
Rank: 3 (Overall)▶
3 * 10-7 %
Rank: 21 (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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~0.007 %
Rank: 4 (Overall)▶
~0.0000002 %
Rank: 25 (Overall)▶
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Facts About Beryllium
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1.5.1 Abundance In Meteorites
Facts About Iron
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1.10 %
Rank: 4 (Overall)▶
0.00 %
Rank: 28 (Overall)▶
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Facts About Gold
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1.7.1 Abundance In Earth's Crust
Facts About Alu..
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5.00 %
Rank: 3 (Overall)▶
0.00 %
Rank: 53 (Overall)▶
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Facts About Radium
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2.1.2 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 5 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Protactinium
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2.1.4 Abundance In Humans
Facts About Cal..
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1.40 %
Rank: 1 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Radium
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