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Technetium
Technetium

Calcium
Calcium



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Facts About Technetium and Calcium

1 Facts
1.1 Interesting Facts
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  • 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.
1.2 Sources
Made by Bombarding Molybdenum with Deuterons
Earth's crust, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Emilio Segrè and Carlo Perriero
Humphry Davy
1.3.2 Discovery
In 1937
In 1808
1.4 Abundance
1.4.1 Abundance In Universe
NA7 * 10-3 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.007 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA1.10 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA5.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NA1.40 %
Facts About Radium
1E-13 1.4