"I" OPENERS
'(<a href="http://www.j-archive.com/media/2008-04-17_DJ_15.jpg" target="_blank">Jimmy of the Clue Crew indicates the right-hand column of the periodic table.</a>) On the periodic table, the six gases in this column, beginning with helium & ending with radon, are described as this, because they don't readily react with other elements'
inert