Which of the following statements about the Modern Periodic Table is c – InterviewSolution

1.	Which of the following statements about the Modern Periodic Table is correct?A. It has 18 horizontal rows known as Periods B. It has 7 vertical columns known as Periods C. It has 18 vertical columns known as Groups. D. It has 7 horizontal rows known as Groups.
Answer» In the modern periodic table it consists of 18 vertical columns known as Groups and 7 horizontal rows known as periods. According to this definition, only option (c) matches.

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