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Thallium
Thallium

Hafnium
Hafnium



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Thallium
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Hafnium

Facts About Thallium and Hafnium

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1 Facts
1.1 Interesting Facts
  • Compounds of Thallium metal are highly Toxic.
  • Thallium metal is being suspected as a human carcinogen.
  • 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 As a By-product, Ores of metals, Ores of Minerals
By-product Zirconium Refining
1.3 History
1.3.1 Who Discovered
William Crookes
Dirk Coster and George de Hevesy
1.3.2 Discovery
In 1861
In 1922
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
5 * 10-9 %
Rank: 32 (Overall)
7 * 10-8 %
Rank: 25 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.0000001 %
Rank: 26 (Overall)
~0.0000001 %
Rank: 26 (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 41 (Overall)
0.00 %
Rank: 37 (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 42 (Overall)
0.00 %
Rank: 31 (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 34 (Overall)
0.00 %
Rank: 27 (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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