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Calcium
Calcium

Manganese
Manganese



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Facts About Calcium and Manganese

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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.
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Humphry Davy
Johann Gottlieb Gahn
1.3.2 Discovery
In 1808
In 1774
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-3 %8 * 10-4 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.007 %~0.001 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
1.10 %0.27 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
5.00 %0.11 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
1.40 %0.00 %
Facts About Radium
1E-13 1.4