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A compound is formed by two elements x and y. Atoms of the element y (as anions) make ccp and those of the element x (as cations) occupy all the octahedral voids what is the formula of the compound?

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y(anions) forms ccp structure
`therefore` No. of y(anions) is 4
4y creates 4 octahedral voids
Hence. No of x(cation) is also 4.
`x:y`
`4:4`
`1:1`
Formula of the compound is xy.
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