Chemistry, asked by rajdeeppargi, 3 months ago

difference between 1st and 2nd group elements

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Answered by Ayush200595

Answer:

the first and most important difference is that in first group elements they have one valence electron in their outer shell and in second group element they have 2 valence electron outer shell

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difference between 1st and 2nd group elements​

Answers

difference between 1st and 2nd group elements