Chemistry, asked by taekookforever05, 11 days ago

Tell me the answer guyss...​

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Answered by Anchal2582
1

Answer:

OK so b magnesium is 24 nucleus and a is chlorine which is non metal

Answered by shagundubey129
1

Answer:

Valency of A and B is 2,1 respectively.

A is chlorine (17) and B is Magnesium (12).

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