Facts About Cadmium and Hafnium
Facts
Interesting Facts
- Naturally occurring minor elements include Cadmium.
- Cadmium is released into atmosphere to control volcanic eruption and forest fires.
- It is used for electroplating of Steel for corrosion resistance.
- It can absorb neutrons and used in nuclear reactor to control atomic fission.
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Found As a By-product, Found in Minerals, Mining
By-product Zirconium Refining
History
Who Discovered
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Dirk Coster and George de Hevesy
Discovery
In 1817
In 1922
Abundance
Abundance In Universe
2 * 10-7 %
22
7 * 10-8 %
25
Abundance In Sun
~0.0000006 %
21
~0.0000001 %
26
Abundance In Meteorites
0.00 %
31
0.00 %
37
Abundance In Earth's Crust
0.00 %
99+
0.00 %
31
Abundance In Oceans
0.00 %
28
0.00 %
27
Abundance In Humans
0.00 %
11
Not Available
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