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Thulium
Thulium

Neptunium
Neptunium



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Neptunium

Facts About Thulium and Neptunium

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Facts

Interesting Facts

  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
Neptunium was the first transuranium element to be discovered.

Sources

Found in Minerals, Mining, Ores of Minerals
Made by Bombarding Uranium with Neutrons, Ores of metals

History

Who Discovered

Per Teodor Cleve
Edwin McMillan and Philip H. Abelson

Discovery

In 1879
In 1940

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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