periods
verticle rows are grouped
A horizontal rows on the peridic table
group 18 is called noble gases
Most right column.
the rows of the Periodic Table are called groups or families and the rows are called periods
The horizontal rows on the periodic table are called periods.
on the right side of the peridic table
periods are the rows and families are the columns
They can be called banded rows.
The rows on the periodic table are called periods.
The horizontal rows are called periods
rows. the vertical columns are called periods