Ask your own question, for FREE!
Physics 9 Online
OpenStudy (anonymous):

the horizontal rows in the periodic table are known as groups

TheSmartOne (thesmartone):

Horizontal rows are called Periods, while vertical columns are called Groups.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!