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Hafnium
Hafnium
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Radium
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Facts About Hafnium and Radium
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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.
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
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
Not Available
1.3.2 Discovery
In 1922
In 1898
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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7 * 10-8 %
Rank: 25 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Thallium
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1.5.1 Abundance In Sun
Facts About Iron
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~0.0000001 %
Rank: 26 (Overall)▶
~-9999 %
Rank: N/A (Overall)▶
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Facts About Beryllium
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1.6.2 Abundance In Meteorites
Facts About Iron
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0.00 %
Rank: 37 (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Gold
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1.6.4 Abundance In Earth's Crust
Facts About Alu..
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0.00 %
Rank: 31 (Overall)▶
0.00 %
Rank: 57 (Overall)▶
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Facts About Radium
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1.6.6 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 27 (Overall)▶
0.00 %
Rank: 45 (Overall)▶
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Facts About Protactinium
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1.6.7 Abundance In Humans
Facts About Cal..
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Not Available
Rank: N/A (Overall)▶
0.00 %
Rank: 20 (Overall)▶
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Facts About Radium
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