How Many Periods and Groups Are There in the Long Form of Periodic Table? - Science

How many periods and groups are there in the long form of periodic table?

There are seven periods and eighteen groups in the long form of the periodic table.

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Chapter 5: Periodic Classification Of Elements - Exercise 1 [Page 282]

Chapter 5 Periodic Classification Of Elements
Exercise 1 | Q 16.3 | Page 282