Facts About Strontium and Hafnium
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
- 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, Ores of Minerals
By-product Zirconium Refining
Who Discovered
William Cruickshank
Dirk Coster and George de Hevesy
Discovery
In 1787
In 1922
Abundance In Earth's Crust
Abundance In Humans
Not Available