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An element Z forms an oxide …

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An element Z forms an oxide with formula z2o3. What is its valency and how? Explain

    • Posted by Rani Kaur 5 years, 8 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Satyam Singh 5 years, 8 months ago

    Valency of Z is 3. Because when Z reacts with Oxygen, their valency criss cross each other and after it becomes Z203. For eg: Na2O, for obtaining it. It will be Na-1( valency) O-2(valency) After criss cross it becomes Na2O....I hope u understand

    1Thank You

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