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Neptunium
Neptunium

Osmium
Osmium



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Neptunium
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Osmium

Facts About Neptunium and Osmium

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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

 
Neptunium was the first transuranium element to be discovered.
Made by Bombarding Uranium with Neutrons, Ores of metals
Edwin McMillan and Philip H. Abelson
In 1940
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  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
Found As a By-product, Found in Minerals, Mining
Smithson Tennant
In 1803
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