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Actinium
Actinium

Erbium
Erbium



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Facts About Actinium and Erbium

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Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
Actinium glows in the dark due to its radioactivity.
Obtained by Treating Radium with Neutrons, Ores of metals
Friedrich Oskar Giesel
In 1902
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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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