Chemistry, asked by satyachalla657, 11 months ago

The number of groups and periods in the long form of the periodic table [ ]
a) 7, 18 b) 18, 7 c) 8, 17 d) 17, 8

Answers

Answered by abhi741724

2

Answer:

b

Explanation:

18 , 7 periods are 7 and groups are 18

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