conceptual display astatine and halogens group from the periodic table |
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| navigate by keyword : yellow undefined trends tools theory table symbols study structure science reference red properties periodic numbers number molecular metals learning labeled iodine identification halogens halogen groups group gro gases fluorine five families elements elemental element educational education earth displaying display detailed cubes cube conceptual compounds classroom chlorine chemistry chemical chalkboard calcium bromine blue atomic astatine arrangement alkaline |
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| Five yellow cubes labeled with the symbols and atomic numbers of halogens and blue cube labeled with Astatine placed beside a chalkboard displaying Astatine detailed with its properties |
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