Periodic Table Groups Vs Periods. Here are the main features of the table. In this section you will explore how the periodic table was put together and the two main arrangement of the periodic table focusing on the groups and periods and metals and non metals.
The horizontal rows are called periods the vertical columns are called groups. All the different elements are arranged in a chart called the periodic table. In the periodic table of elements there are seven horizontal rows of elements called periods.
The vertical columns of elements are called groups or families.
The vertical columns of elements are called groups or families. All the different elements are arranged in a chart called the periodic table. There are 7 major periods and 18 groups in the periodic table of elements. A group is a vertical row of the periodic table.