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.
- Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
- The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Indian metallurgists
1.3.2 Discovery
In Between 1797 - 1798
Before 1000 BCE
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %3 * 10-5 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.002 %~0.0002 %
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