Columns in the periodic table are called "groups" and there are 18 groups in the periodic table.
groups
The columns on the periodic table are called Groups.
groups are the vertical columns on the periodic table
The vertical columns are called "Groups''The horizontal columns are called "Periods"The vertical columns of the periodic table are known as groups.
On the periodic table columns are called groups
COLUMNS columns
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.
The vertical columns are called groups in a periodic table.
It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.