Mr. Duffy

@mrduffy4th

Do you know where the Alkali Metals, Alkaline Earth Metals, Halogens, and Nobels are on the periodic table?  Metals, nonmetals, and metalloids?

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1768 days ago

Do you know where the Alkali Metals, Alkaline Earth Metals, Halogens, and Nobels are on the periodic table? Metals, nonmetals, and metalloids?

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