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Osmium
Osmium
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Francium
Francium
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Facts About Osmium and Francium

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Facts

Interesting Facts

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Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

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Abundance In Humans

 
  • 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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  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
Formed by Decay Process, Mining
Marguerite Perey
In 1939
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