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Actinium
Actinium

Thulium
Thulium



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Thulium

Facts About Actinium and Thulium

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Facts

Interesting Facts

Actinium glows in the dark due to its radioactivity.
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.

Sources

Obtained by Treating Radium with Neutrons, Ores of metals
Found in Minerals, Mining, Ores of Minerals

History

Who Discovered

Friedrich Oskar Giesel
Per Teodor Cleve

Discovery

In 1902
In 1879

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

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 %0.00 %
0 1.1
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Abundance In Humans

0.00 %0.00 %
0 1.4
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