A Admin • 802.91K Points Coach Report Q. How many groups and periods are present in the Modern Periodic Table? (A) 8 groups and 6 periods (B) 18 groups and 9 periods (C) 18 groups and 7 periods (D) 7 groups and 10 periods Correct Answer - Option(C) Views: 1 Filed under category Chemistry Hashtags: Share Manage Tags
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