The rows (periods) work out to be the energy levels, ex. if an element is in period 5, it has 5 energy levels.
period
Period
each row in the Periodic Table is called a period.
An elements period is its row in the Periodic Table.
An elements period is its row in the Periodic Table.
An elements period is its row in the periodic table.
Those are columns.
a horizontal row is called a period.a vertical row is called a group
All are different. Each element has its own row and column that it fits into.
each row in the Periodic Table is called a period.
Each row on the periodic table is called a period, while each column is called a group.
The same number of energy levels