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What are the columns of the periodic table called?

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The columns are groups or families. The rows are periods. The groups are numbered 1 to 18, with certain other distinctions. Group 18 is known as the noble gases. There are also larger groupings in to categories such as metals, non-metals, transistion metals, metaloids, etc.

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First answer by Nborland. Last edit by Nborland. Contributor trust: 46 [recommend contributor ]. Question popularity: 11 [recommend question].

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