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.
- Naturally occurring minor elements include Cadmium.
- Cadmium is released into atmosphere to control volcanic eruption and forest fires.
- It is used for electroplating of Steel for corrosion resistance.
- It can absorb neutrons and used in nuclear reactor to control atomic fission.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Found As a By-product, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
1.3.2 Discovery
In Between 1797 - 1798
In 1817
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %2 * 10-7 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.002 %~0.0000006 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans