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Calcium
Calcium

Actinium
Actinium



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Facts About Calcium and Actinium

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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.
Not Available
1.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Obtained by Treating Radium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Humphry Davy
Friedrich Oskar Giesel
1.3.2 Discovery
In 1808
In 1902
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-3 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.007 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
1.10 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
5.00 %NA
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