1 Facts
1.1 Interesting Facts
- At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
- The most common compound of Sodium is NaCl (Salt).
- 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
By Electrolysis Process, Mining
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Humphry Davy
Louis Nicolas Vauquelin
1.3.2 Discovery
In 1807
In Between 1797 - 1798
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-3 %1.5 * 10-3 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.004 %~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