columns
groups are the vertical columns on the periodic table
The vertical sections of the periodic table are called groups or columns.
The vertical columns in a periodic table are called groups, and the horizontal rows are called periods.
A vertical column is called a 'group.' A horizontal row is called a 'period,' thus the periodic table.
the vertical columns in a periodic table are called groups.
The vertical columns of the periodic table are called groups or families.
The vertical columns of a periodic table are called groups or families. They share similar chemical properties because they have the same number of valence electrons.
The horizontal rows on the periodic table are called periods, while the vertical columns are called groups or families.
The vertical columns on the periodic table are called groups or families.
Group.
The horizontal row on the periodic table is called the "period". The vertical column is called the "group".
The vertical column in a periodic table is called "The Group" and there are 8 groups in the periodic table, I through O or VIII.They are called Groups or sometimes Families. For many the periodic table has 8 groups but when you also include the transition metals, then there are 18 groups which gives you a better understanding when you are working out the electron arrangement within the atom's structure.