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Protactinium
Protactinium

Iridium
Iridium



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Protactinium
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Iridium

Facts About Protactinium and Iridium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
Found in Uranium Ores, Mining, Ores of metals
William Crookes
In 1900
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  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
Found in Minerals, Mining, Ores of Minerals
Smithson Tennant
In 1803
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