Science, asked by subashc656, 1 year ago

how many group and periods in modern periodic table ?

answers fast please...

i will mark as brainaliest answer....

Answers

Answered by yogichaudhary

2

Answer:

There are 18 groups and 7 periods in the modern periodic table.

Hope it helps!! :/ thnkuh mate

Answered by 1645krish

0

Answer:

18 groups

7 periods..

rate my ans.wer...

plzzzz.

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