Catfish
groups go vertically and periods are the horizontal rows
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
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.
groups
False; That would be called groups. Periods are horiztonal rows.
in the periodic table the rows are called periods and the columns are called groups
The vertical columns in a periodic table are called Groups.
There are 18 groups that make up The Periodic Table of Elements.
Groups are the vertical columns. Periods are the horizontal rows in the periodic table.
Groups or families are the vertical columns on the periodic table. Periods are the horizontal rows on the Periodic Table.