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Thulium
Thulium
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Hafnium
Hafnium
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Facts About Thulium and Hafnium
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1 Facts
1.1 Interesting Facts
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
By-product Zirconium Refining
1.3 History
1.3.1 Who Discovered
Per Teodor Cleve
Dirk Coster and George de Hevesy
1.3.2 Discovery
In 1879
In 1922
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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1 * 10-8 %
Rank: 30 (Overall)▶
7 * 10-8 %
Rank: 25 (Overall)▶
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Facts About Thallium
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1.4.2 Abundance In Sun
Facts About Iron
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~0.00000002 %
Rank: 28 (Overall)▶
~0.0000001 %
Rank: 26 (Overall)▶
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Facts About Beryllium
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1.4.3 Abundance In Meteorites
Facts About Iron
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0.00 %
Rank: 47 (Overall)▶
0.00 %
Rank: 37 (Overall)▶
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Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
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0.00 %
Rank: 43 (Overall)▶
0.00 %
Rank: 31 (Overall)▶
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Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 41 (Overall)▶
0.00 %
Rank: 27 (Overall)▶
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Facts About Protactinium
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1.4.6 Abundance In Humans
Facts About Cal..
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Not Available
Rank: N/A (Overall)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Radium
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