Facts About Rubidium and Hafnium
Interesting Facts
- Rubidium metal is 16th most common element found in the earth crust.
- Rubidium metal also found in minerals as well as seawater.
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Obtained from Lithium Production.
By-product Zirconium Refining
Who Discovered
Robert Bunsen and Gustav Kirchhoff
Dirk Coster and George de Hevesy
Discovery
In 1861
In 1922
Abundance In Earth's Crust
Abundance In Humans
Not Available