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Curium
Curium

Thallium
Thallium



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Facts About Curium and Thallium

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Facts

Interesting Facts

  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  • Compounds of Thallium metal are highly Toxic.
  • Thallium metal is being suspected as a human carcinogen.

Sources

Bombarding Plutonium with Helium Ions
Found As a By-product, Ores of metals, Ores of Minerals

History

Who Discovered

Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
William Crookes

Discovery

In 1944
In 1861

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
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Abundance In Sun

0.00 %0.00 %
0 0.1
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Abundance In Meteorites

0.00 %0.00 %
0 22
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Abundance In Earth's Crust

0.00 %0.00 %
1E-37 8.1
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Abundance In Oceans

-0.00 %
0 1.1
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Abundance In Humans

0.00 %0.00 %
0 1.4
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