29
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?
29
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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