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.
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Marguerite Perey
1.3.2 Discovery
In Between 1797 - 1798
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %NA
5E-09
0.11
1.4.2 Abundance In Sun
~0.002 %~-9999 %
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