1 Facts
1.1 Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
1.2 Sources
By-product Zirconium Refining
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
1.3.2 Discovery
In 1922
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans