A compound M(p)X(q) has cubic close pack...

A compound `M_(p)X_(q)` has cubic close packing `(ccp)` arrangement of `X`. Its unit cell structure is shown below. The empirical formula of the compound is

`MX_(2)`

`M_(2)`X

`M_(5)X_(14)`

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x `rArr` ccp `rArr (8 xx (1)/(8)) + 6 xx (1)/(2) = 4 " " , " " M rArr (4 xx (1)/(4) ) + 1 = 2 `
`M_(2)X_(4) rarr` empirical formula `MX_(2)`

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