the formula of oxide of two elements X and Y are XO and X2O3 respectively.
1) find the valency of X and Y.
2) identify the group to which X and Y belong.
3) name one element of which one of these compound identified
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1.An element ‘X’ forms an oxide with formula X2O3. State the valency of ‘X’ and write the formula of its choloried
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Find the valency of Xand Y
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