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.
- Plutonium metal if obtain from ores of uranium metal.
- Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.
1.2 Sources
By-product Zirconium Refining
Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan
1.3.2 Discovery
In 1922
In Between 1940 1941
1.4 Abundance
1.4.1 Abundance In Universe
1.4.3 Abundance In Sun
~0.0000001 %~-9999 %
1E-08
0.1
1.4.5 Abundance In Meteorites
1.4.7 Abundance In Earth's Crust
1.4.10 Abundance In Oceans
1.4.12 Abundance In Humans