the three musketeers
rows. the vertical columns are called periods
The rows in the periodic table are called periods. There are 7 periods in periodic table.
each row in the Periodic Table is called a period.
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
Rows in the Periodic Table are called Periods.There are 7 periods in total.All the elements in period have same number of energy levels.
rows. the vertical columns are called periods
The rows in the periodic table are called periods. There are 7 periods in periodic table.
The horizontal rows are referred as periods. There are 7 periods in periodic table.
each row in the Periodic Table is called a period.
The horizontal sections of the periodic table are called periods.
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
Yes. the horizontal rows on the periodic table are called periods.
Rows in the Periodic Table are called Periods.There are 7 periods in total.All the elements in period have same number of energy levels.
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Horizontal rows are called periods. There are 7 periods in periodic table.
The horizontal rows on the periodic table are called periods.
The 7 horizontal rows in the periodic table are called periods.