The horizontal rows are called Periods.
They Are Called Periods.
They are 7 of them.
The Periods are the horizontal rows on the periodic table.
A period is a row of elements on the periodic table.
horizontal rows of elements
Horizontal rows are called periods. There are 7 periods in periodic table.
Rows
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
The Periods are the horizontal rows on the periodic table.
Horizontal rows in Periodic Table are called Periods
A period is a row of elements on the periodic table.
horizontal rows of elements
rows
Horizontal rows on the Periodic Table of Chemical Elements are called periods.
The rows on the periodic table are called periods.
Horizontal rows are called periods. There are 7 periods in periodic table.
periodsThere are seven periods, or rows, on the Periodic Table.
Rows
Yes.