The horizontal rows are called periods
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
rows. the vertical columns are called periods
The rows on the periodic table are called periods.
False; That would be called groups. Periods are horiztonal rows.
rows
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
rows. the vertical columns are called periods
The horizontal rows are referred as periods. There are 7 periods in periodic table.
Yes. the horizontal rows on the periodic table are called periods.
Horizontal rows on the Periodic Table of Chemical Elements are called periods.
The horizontal rows on the periodic table are called periods.
The rows on the periodic table are called periods.
False; That would be called groups. Periods are horiztonal rows.
The horizontal rows on the Periodic Table are called periods.
The 7 horizontal rows in the periodic table are called periods.
rows
The horizontal rows on the periodic table are called periods, while the vertical columns are called groups or families.