Periods
A horizontal row on the periodic table of elements is called a period.
It is 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.
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.
A period on the periodic table refers to a row of elements that are arranged in order of increasing atomic number. Each period starts a new row and represents the number of electron shells an element has.
Periods
Horizontal rows are called periods. There are 7 periods in periodic table.
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.
In chemistry, a row refers to a horizontal line of elements on the periodic table that have similar chemical properties. Each row represents a period in the periodic table and elements in the same row have the same number of electron shells.
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.
The vertical "rows" are called Columns, and the horizontal "rows" are called Periods