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Chromium
Chromium

Cerium
Cerium



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Facts About Chromium and Cerium

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1 Facts
1.1 Interesting Facts
  • 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.
  • Cerium is a rare earth metal but still it is not rare at all.
  • It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
  • Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
1.3.2 Discovery
In Between 1797 - 1798
In 1803
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %1 * 10-6 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.002 %~0.0000004 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.30 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.01 %0.01 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
0.00 %NA
Facts About Radium
1E-13 1.4