finalisdoglinnie finalisdoglinnie

06-02-2016
Chemistry

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Is Actinium Metal, Non-Metal ,or Semi-Metal?

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michelle77789 michelle77789

07-02-2016

Metal
On the periodic table its atomic number is 89
The Semi-metals aka the metalloids are atomic umbers 5,14,32,33,51,52,and 85

The Metals are everything that is located to the left of the metalloids excluding Hydrogen(H) and Helium (He)
Everything to the right of the metalloids are non-metals including Hydrogen (H) and Helium (He)

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