Facts About Rhodium and Hafnium
Interesting Facts
- 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.
- 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 As a By-product, Found in Minerals, Mining
By-product Zirconium Refining
Who Discovered
William Hyde Wollaston
Dirk Coster and George de Hevesy
Discovery
In 1804
In 1922
Abundance In Earth's Crust
Abundance In Oceans
Not Available