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Actinium
Actinium

Calcium
Calcium



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Facts About Actinium and Calcium

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Facts

Interesting Facts

Actinium glows in the dark due to its radioactivity.
  • 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.

Sources

Obtained by Treating Radium with Neutrons, Ores of metals
Earth's crust, Found in Minerals, Mining, Ores of Minerals

History

Who Discovered

Friedrich Oskar Giesel
Humphry Davy

Discovery

In 1902
In 1808

Abundance

Abundance In Universe

0.00 %0.01 %
0 0.11
👆🏻

Abundance In Sun

0.00 %0.01 %
0 0.1
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Abundance In Meteorites

0.00 %1.10 %
0 22
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Abundance In Earth's Crust

0.00 %5.00 %
1E-37 8.1
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Abundance In Oceans

0.00 %0.00 %
0 1.1
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Abundance In Humans

0.00 %1.40 %
0 1.4
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