The number of periods and groups in modern periodic table ………………..

The number of periods and groups in modern periodic table ………………..

A) 7, 8

B) 7,18

C) 6,7

D) 5,6

Monjur Alahi

8 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct option is B) 7,18

8 views Answered 2023-02-05 15:29

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