Chemistry, asked by krrish30, 1 year ago

how many periods and groups are there in the modern perodic table

deepaksingh6: 7 periods and 18 groups

Answers

Answered by hackedid13p2jcv2

5

18 groups and 7 periods

krrish30: thanks bro

Answered by roy41

3

groups-18
periods-7 In modern periodic table

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