Atoms of elements `B` from hep lattice and those of element `A` occupy two-thirds of tetrahedral voids. What is the formula of the compound formed by elements `A` and `B`?
Text Solution
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The number of tetrahedral voids formed is equal to tiwice the number of atoms-of element B and only 2/3rd of these are occupied by the atoms of element. A. hence the ratio of the number of atoms of A and B is 2 x(2/3)1 or 4:3 and the formula of the compound is `A_(4)B_(3)`.
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