A horizontal row on the periodic table of elements is called a period.
its called a period.
periodsThere are seven periods, or rows, on the periodic table.
On the Periodic table, horizontal rows are given the technical term "periods", while vertical columns are called "groups". Elements in the same period are similar in that they have the same number of energy levels.
each row in the Periodic Table is called a period.
The horizontal rows of the periodic table are called Periods and the vertical rows are called groups.
A period is a row of elements on the periodic table.
The Horizontal row on the table is called a period
A horizontal row on the periodic table of elements is called a period.
The horizontal row is called period.
period
a horizontal row is called a period.a vertical row is called a group
The horizontal row on the periodic table is called the "period". The vertical column is called the "group".
its called a period.
periodsThere are seven periods, or rows, on the periodic table.
The vertical "rows" are called Columns, and the horizontal "rows" are called Periods
On the Periodic table, horizontal rows are given the technical term "periods", while vertical columns are called "groups". Elements in the same period are similar in that they have the same number of energy levels.