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Hey mate here is your answer...
The valency of A is 1 and valency of B is 2 as the valency are multiplied crossly by the element A and B.. Therefore, if the atomic mass of A is 2 then the valency of B will be 2.. and so on...
Hope it will help you
The valency of A is 1 and valency of B is 2 as the valency are multiplied crossly by the element A and B.. Therefore, if the atomic mass of A is 2 then the valency of B will be 2.. and so on...
Hope it will help you
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