Elements in the modem periodic table are arranged in ……… groups – InterviewSolution

1.	Elements in the modem periodic table are arranged in ……… groups and ……… periods. (a) 7, 18 (b) 18,7 (c) 17,8 (d) 8, 17
Answer» Elements in the modem periodic table are arranged in 18 groups and 7 periods.

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