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Calcium
Calcium

Protactinium
Protactinium



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Protactinium

Facts About Calcium and Protactinium

Facts

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.
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.

Sources

Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals

History

Who Discovered

Humphry Davy
William Crookes

Discovery

In 1808
In 1900

Abundance

Abundance In Universe

0.01 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.01 %0.00 %
0 0.1
👆🏻

Abundance In Meteorites

1.10 %-
0 22
👆🏻

Abundance In Earth's Crust

5.00 %0.00 %
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %0.00 %
0 1.1
👆🏻

Abundance In Humans

1.40 %0.00 %
0 1.4
👆🏻