Asked by Anonymous
                Hi! So I forgot which is which on the periodic table. Are periods the rows and groups are the columns?
            
            
        Answers
                    Answered by
            bobpursley
            
    periods are the families, or groups. they also are called groups.
Group 17, VII, are the same. but vertical is families, or groups.
rows are called series.
    
Group 17, VII, are the same. but vertical is families, or groups.
rows are called series.
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