Facts About Hafnium and Radium
Facts
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
Sources
By-product Zirconium Refining
Mining, Ores of metals
History
Who Discovered
Dirk Coster and George de Hevesy
Not Available
Discovery
In 1922
In 1898
Abundance
Abundance In Universe
7 * 10-8 %
25
Not Available
Abundance In Sun
~0.0000001 %
26
~-9999 %
Abundance In Meteorites
0.00 %
37
Not Available
Abundance In Earth's Crust
0.00 %
31
0.00 %
99+
Abundance In Oceans
0.00 %
27
0.00 %
99+
Abundance In Humans
Not Available
0.00 %
20
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