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.
- Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
- Pure Aluminum always reacts with oxygen rapidly.
- It is a good conductor of heat and electricity and used in transmission lines.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
By Electrolysis Process, Earth's crust, Mining
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Hans Christian Oersted
1.3.2 Discovery
In Between 1797 - 1798
In 1825
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %5 * 10-3 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.002 %~0.006 %
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