Are inert gases in the same period of the periodic table?
Inert gases are in the same COLUMN, the same GROUP of the Periodic Table........
Inert gases lie in Group 18 of the Periodic Table; they possess a FULL VALENCE shell of electrons, and tend to be extremely unreactive.
On the Periodic Table, horizontal rows are called Periods, and vertical columns are called Groups. The Noble Gases form an homologous Group.