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Polonium
Polonium

Thulium
Thulium



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Facts About Polonium and Thulium

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Facts

Interesting Facts

  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.

Sources

Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals

History

Who Discovered

Pierre Curie and Marie Curie
Per Teodor Cleve

Discovery

In 1898
In 1879

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

-0.00 %
0 0.1
👆🏻

Abundance In Meteorites

-0.00 %
0 22
👆🏻

Abundance In Earth's Crust

0.00 %0.00 %
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %0.00 %
0 1.1
👆🏻

Abundance In Humans

0.00 %0.00 %
0 1.4
👆🏻