an ionic crystal is made of two elements x and y ions formed the crystal lattice and x ions occupy half of the tetrahedral void .what is the formula of crystalline
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Find the area of a quadrilateral one of whose diagonals is 40 cm and the lengths of the perpendiculars drawn from the opposite vertices on the diagonal are 16 cm and 12 cm.
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The number of tetrahedral voids is two per atom of the crystal in a close packed structure. Since tetrahedral voids are occupied by x ions, there is one x ion per y ion in the crystal. The formula of the compound is
XY
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