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The elements found in Group 16 of the Periodic Table.

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The groups within Groups 3 through 12 in the Periodic Table.

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The halogen elements are a group in the periodic table.

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The boron group are the chemical elements in group 15.

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Lanthanide series, a series of metallic elements, included in the rare-earth metals, in Group 3 of the periodic table.

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The alkaline earth metals are six chemical elements in column group 2.

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Alkali metals are the chemical elements found in Group 1 of the periodic table.

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Group 14 is the Carbon family.

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The seven chemical elements that make up Group 18.

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The boron group are the chemical elements in group 13.

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Actinide Series of Metals. is the second series under the periodic table.

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The elements are arranged in a series of rows or you can say periods so that those with similar properties appear in a column.

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The numbered columns of elements in the periodic table.