1 Facts
1.1 Interesting Facts
- Rhodium is the rarest element out of all non-radioactive metals on the earth .
- Rhodium is one of the most durable and hard metal, which also have high reflectance.
- 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.
1.2 Sources
Earth's crust, Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
William Hyde Wollaston
Louis Nicolas Vauquelin
1.3.2 Discovery
In 1804
In Between 1797 - 1798
1.4 Abundance
1.4.1 Abundance In Universe
6 * 10-8 %1.5 * 10-3 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000002 %~0.002 %
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