Facts About Cesium and Hafnium
Facts
Interesting Facts
Not Available
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
By-product Zirconium Refining
History
Who Discovered
Robert Bunsen and Gustav Kirchhoff
Dirk Coster and George de Hevesy
Discovery
In 1860
In 1922
Abundance
Abundance In Universe
8 * 10-8 %
24
7 * 10-8 %
25
Abundance In Sun
~0.0000008 %
20
~0.0000001 %
26
Abundance In Meteorites
0.00 %
38
0.00 %
37
Abundance In Earth's Crust
0.00 %
35
0.00 %
31
Abundance In Oceans
0.00 %
17
0.00 %
27
Abundance In Humans
0.00 %
17
Not Available
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