an element x valency is 3 write the formula its oxide
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4
Answer:
The chemical formula of the given oxide is X2O3. Explanation: The valency of element X is 3 and the valency of oxygen( in oxide) is 2.
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9
Answer:
The element x can be any element with valency 3 but the valencies can be - 3 or +3 such as :
[ +3 ] | [ - 3 ]
Boron Nitrogen
Aluminium Phosphorus
Gallium Arsenic
Indium Antimony
Thallium Bismuth
But oxide can only be formed by the +3 valency elements.
The formula will be in the form X2O3.
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