Facts About Gold and Chromium
Facts
Interesting Facts
- It is found in copper ores and from the crust of the earth.
- It is the most malleable and ductile metal.
- Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
- 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.
Sources
Earth's crust, Mining, Ores of metals
Found in Minerals, Mining, Ores of metals, Ores of Minerals
History
Who Discovered
Unknown
Louis Nicolas Vauquelin
Discovery
Before 6000 BCE
In Between 1797 - 1798
Abundance
Abundance In Universe
6 * 10-8 %
26
1.5 * 10-3 %
7
Abundance In Sun
~0.0000001 %
26
~0.002 %
7
Abundance In Meteorites
0.00 %
99+
0.30 %
7
Abundance In Earth's Crust
0.00 %
99+
0.01 %
13
Abundance In Oceans
0.00 %
21
0.00 %
16
Abundance In Humans
0.00 %
18
0.00 %
16
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