Facts About Hafnium and Rhodium
Facts
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- Rhodium is the rarest element out of all non-radioactive metals on the earth .
- Rhodium is one of the most durable and hard metal, which also have high reflectance.
Sources
By-product Zirconium Refining
Earth's crust, Found As a By-product, Found in Minerals, Mining
History
Who Discovered
Dirk Coster and George de Hevesy
William Hyde Wollaston
Discovery
In 1922
In 1804
Abundance
Abundance In Universe
7 * 10-8 %
25
6 * 10-8 %
26
Abundance In Sun
~0.0000001 %
26
~0.0000002 %
25
Abundance In Meteorites
0.00 %
37
0.00 %
36
Abundance In Earth's Crust
0.00 %
31
0.00 %
99+
Abundance In Oceans
0.00 %
27
Not Available
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