Groups.
groups
yes also known as the families of elements
The vertical columns are called groups and the horizontal rows are called periods. Note: It should not be vertical rows or horizontal columns
The vertical columns of the periodic table are called groups or families.
The columns on the periodic table are called Groups.
groups are the vertical columns on the periodic table
groups
The vertical columns in a periodic table are called Groups.
The columns are known as groups.
There are 18 columns on the periodic table.They are called groups or families.
It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.
The columns are called groups (or, sometimes, families). The rows are called periods.