The horizontal rows on the Periodic Table are periods. Groups are the vertical columns on the periodic table.
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∙ 11y agoa horizontal row is called a period.a vertical row is called a group
A period is a row of elements on the periodic table.
Horizontal rows are called periods. There are 7 periods in periodic table.
The horizontal rows are called periods
The horizontal rows of the periodic table are called Periods and the vertical rows are called groups.
A horizontal row on the periodic table of elements is called a period.
a horizontal row is called a period.a vertical row is called a group
A period is a row of elements on the periodic table.
The Horizontal row on the table is called a period
period
Horizontal rows are called periods. There are 7 periods in periodic table.
Period 3 is the 3rd horizontal row. It is the 3rd row in periodic table.
periods
The period is the horizontal row.
Periods
Period
period