Facts About Thorium and Hafnium
Interesting Facts
- Thorium metal is used as an alternate option over Uranium for nuclear fuel.
- Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
Sources
Found in Minerals, Mining
By-product Zirconium Refining
Who Discovered
Jöns Jakob Berzelius
Dirk Coster and George de Hevesy
Discovery
In 1829
In 1922
Abundance In Earth's Crust