Physics, asked by SrushtiUrade, 1 month ago

pls answer? me???????????

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Answered by amrutha7183

1

Answer; 1. It is based on modern periodic law

2. 18

3. group 1 have 1 valency electrons and group 2 have 8 valency electrons

4. this answer is in the image

I think you wrote 5th question . so I'm not writing

I hope it's helpful

thankyou

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