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Protactinium
Protactinium

Chromium
Chromium



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Protactinium
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Chromium

Facts About Protactinium and Chromium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
Found in Uranium Ores, Mining, Ores of metals
William Crookes
In 1900
0.00 %
0.00 %
-
0.00 %
0.00 %
0.00 %
 
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Louis Nicolas Vauquelin
In Between 1797 - 1798
0.00 %
0.00 %
0.30 %
0.01 %
0.00 %
0.00 %