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we had exam and this was one of the question:

an element X has valency 3 write the formula of its oxide .

can i get the ans

Dear Student, valancy of an atom x is 3 it means that it is nitrogen. List of its oxides is given below:-

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X203

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 X2O3

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THE ANSWER IS IMPLE AS THAT

Element 'X' --------------> 3(Valency)

Oxygen  --------------> 2(Valency)

 

When They Will Combine it will form

X2O3

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 hey <3 correct i love me hah  ah

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Valency of aluminium-3

Aluminium Oxide

Al2O3

Therefore valency of its oxide is 2

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The answer is X2O3

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 thnx

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