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Consider an ionic solid MX with NaCl structure. Construct a new structure (Z) whose unit cell is constructed from the unit cell of MX following the sequential instructions given below. Neglect the charge balance. 1.Remove all the anions (X) except the central one 2.Replace all the face centered cations (M) by anions (X) 3.Remove all the corner cations (M) 4.Replace the central anion (X) with cation (M) The value of (("number of anion s ")/("number of cation s")) in z is ________.

Consider an ionic solid MX with NaCl structure. Construct a new structure (Z) whose unit cell is constructed from the unit cell of MX following the sequential instructions given below. Neglect the charge balance. 1.Remove all the anions (X) except the central one 2.Replace all the face centered cations (M) by anions (X) 3.Remove all the corner cations (M) 4.Replace the central anion (X) with cation (M) The value of (("number of anion s ")/("number of cation s")) in z is ________.

In a solid AB of NaCl structure, A atoms occupy the corner of the cubic unit cell. If all the corner atoms are removed then the formula of the unit cell will be

Given : The unit cell structure o fcompound is show below . The formula of compound is :