The columns are called certain groups.
False; That would be called groups. Periods are horiztonal rows.
Horizontal rows in Periodic Table are called Periods
The vertical columns in a periodic table are called groups, and the horizontal rows are called periods.
Horizontal rows are called groups. Groups are formed according to the atomic number.
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
Groups are the vertical columns. Periods are the horizontal rows in the periodic table.
The vertical columns in a periodic table are called Groups.
Groups or families are the vertical columns on the periodic table. Periods are the horizontal rows on the Periodic Table.
The vertical rows on the periodic table are called groups.The vertical rows are called periods and the horizontal columns are called groups.
groups
It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.
periods are the rows and families are the columns