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Polonium
Polonium

Thulium
Thulium



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Polonium
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Thulium

Facts About Polonium and Thulium

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Facts

Interesting Facts

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Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • 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.
Mining, Ores of metals
Pierre Curie and Marie Curie
In 1898
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  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
Found in Minerals, Mining, Ores of Minerals
Per Teodor Cleve
In 1879
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