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.
- Polonium was the first radioactive element to be discovered.
- Polonium element and its compounds are highly radioactive.
- Its alloy with Beryllium provides source of neutrons.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Pierre Curie and Marie Curie
1.3.2 Discovery
In Between 1797 - 1798
In 1898
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