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Actinium

Posted by on May 22, 2013 in Actinides, Metals, Radioactive

    Actinium is a radioactive element.  Here, you can see the symbol for radioactive materials on its square. next element          ...

 

Atomic # = 89 Atomic weight = 227

Atomic # = 89
Atomic weight = 227

 

Actinium is a radioactive element.  Here, you can see the symbol for radioactive materials on its square.

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