Horizontal rows are called Periods, while vertical columns are called Groups.
A horizontal row on the periodic table of elements is called a period.
The Horizontal row on the table is called a period
The horizontal row on the periodic table is called the "period". The vertical column is called the "group".
The horizontal row is called period.
Horizontal row in a periodic table is called Period.There are seven periods in a periodic table.All elements in a row have same number of electronic shells.
The Horizontal Rows are named 'PERIODS'. The Vertical Columns are named 'GROUPS'.
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periods
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 in the periodic table are called periods
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.
each row in the Periodic Table is called a period.