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Hafnium
Hafnium

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Facts About Hafnium and Polonium

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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.
  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
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
Pierre Curie and Marie Curie
1.3.2 Discovery
In 1922
In 1898
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
7 * 10-8 %
Rank: 25 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.0000001 %
Rank: 26 (Overall)
~-9999 %
Rank: N/A (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 37 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 31 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 27 (Overall)
0.00 %
Rank: 46 (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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