period
A horizontal row on the periodic table of elements is called a period.
A horizontal row in the periodic table is called a period. There are seven periods in the periodic table, labeled from 1 to 7. Each period represents the energy levels of the elements within that row.
The Horizontal row on the table is called a period
A row on the periodic table is a horizontal arrangement of elements that share similar properties. These elements have the same number of electron shells. Each row represents one energy level or electron shell in an atom.
The Horizontal Rows are named 'PERIODS'. The Vertical Columns are named 'GROUPS'.
Period 3 is the 3rd horizontal row. It is the 3rd row in periodic table.
The period is the horizontal row.
Periods
It is a period.
period
Period
periods