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Calcium
Calcium

Iridium
Iridium



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Iridium

Facts About Calcium and Iridium

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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.
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
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
Smithson Tennant
1.3.2 Discovery
In 1808
In 1803
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-3 %2 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.007 %~0.0000002 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
1.10 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
5.00 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
1.40 %NA
Facts About Radium
1E-13 1.4