They are called periods and groups.
a horizontal row is called a period.a vertical row is called a group
The horizontal rows on the periodic table are called periods.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
The horizontal rows of the periodic table are called Periods and the vertical rows are called groups.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
a horizontal row is called a period.a vertical row is called a group
The vertical columns in a periodic table are called groups, and the horizontal rows are called periods.
The vertical columns are called "Groups''The horizontal columns are called "Periods"The vertical columns of the periodic table are known as groups.
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
The horizontal rows on the periodic table are called periods.
A vertical column is called a 'group.' A horizontal row is called a 'period,' thus the periodic table.
The horizontal row on the periodic table is called the "period". The vertical column is called the "group".
rows. the vertical columns are called periods
Yes!The elements are arranged in horizontal rows and vertical columns to represent what is called the periods on the periodic table.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
The horizontal lines are called "periods" and show how many "shells" each atom hasThe horizontal rows in the periodic table are called periods. The vertical columns are called groups.