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.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
1.2 Sources
By-product Zirconium Refining
Bombarding Plutonium with Helium Ions
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~0.0000001 %~-9999 %
1E-08
0.1
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