if the valency of element A is 3, write the chemical formula of its oxide
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Valency of element A = 3
Valency of oxygen = 2
Hence the oxide formed will be ;
= A2O3
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Valency of oxygen = 2
Hence the oxide formed will be ;
= A2O3
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valency of A is +3 And Oxygen is -2.....so on exchanging the ions formula will become A2O3
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