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93. Write the number of vertical columns in the modem periodic table. What are these columns called? [Delhi 2014]

93. Write the number of vertical columns in the modem periodic table. What are these columns called? [Delhi 2014]

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
Answer: Explanation: There are 18 vertical columns in the modem periodic table. These vertical columns are called groups

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