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Protactinium
Protactinium

Erbium
Erbium



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Protactinium
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Erbium

Facts About Protactinium and Erbium

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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  • Erbium metal is used as alloyed with Vanadium to make it softer.
  • Recent studies shows that it is helpful for metabolism.
Mining
Carl Gustaf Mosander
In 1842
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