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The properties of the chemical elements are often summarized using the periodic table that organizes the elements by increasing atomic number into rows (" periods ") in which the columns (" groups ") share recurring (" periodic ") physical and chemical properties.

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The properties of the chemical elements are often summarized using the periodic table, which powerfully and elegantly organizes the elements by increasing atomic number into rows (" periods ") in which the columns (" groups ") share recurring (" periodic ") physical and chemical properties.

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