Physics, asked by shahezadsk9028, 23 hours ago

26)Which of the following statements about the Modern periodic table is correct ? a) 18 horizontal rows are known as Periods. b) 7 vertical columns are known as Periods. c) 18 vertical columns are known as groups.​

Answers

Answered by shindeshruti0509
1

Answer:

(c) It has 18 vertical columns known as Groups

The modern periodic table has 18 groups and 7 periods. Columns are called groups and rows are called periods

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