An element z forms an oxide with formula z2o3 what is its valence
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The valency is 3 as according to formula 2 atoms of element Z combine with 3 oxygen atoms to form a compound.
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The valency of element Z is +3.
- Valency is defined as the capacity of elements to combine to attain noble gas configuration and form a compound.
- As per the known fact, the valency of oxygen is -2. Thus, the combined valency of 3 oxygen ions will be -6.
- For stability, it will bind with elements with valency +6.
- Thus, the valency of Z will be +3.
- As two Z ions will have total valency of +6.
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