Explain why the periodic table is not a normal table of rows and columns

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Miracle Brock

Chemistry

25 August, 16:42

Explain why the periodic table is not a normal table of rows and columns

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Jacey Yang · Answer 1

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.