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Calcium
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Iron
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Facts About Calcium and Iron

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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.
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals
1.3 History
1.3.1 Who Discovered
Humphry Davy
Unknown
1.3.2 Discovery
In 1808
Before 5000 BC
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
7 * 10-3 %
Rank: 3 (Overall)
1.1 * 10-1 %
Rank: 1 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.007 %
Rank: 4 (Overall)
~0.1 %
Rank: 1 (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
1.10 %
Rank: 4 (Overall)
22.00 %
Rank: 1 (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
5.00 %
Rank: 3 (Overall)
6.30 %
Rank: 2 (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 5 (Overall)
0.00 %
Rank: 12 (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
1.40 %
Rank: 1 (Overall)
0.01 %
Rank: 5 (Overall)
Facts About Radium
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