The primitive unit cell of a compound is described below The atom B is at the

The primitive unit cell of a compound is described

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The primitive unit cell of a compound is described below: The atom B is at the center, while atoms A occupy the corners of a cube. Atoms X are at the face centers of the cube. (i) What is the formula of the compound? (ii) What is the Bravais lattice type and basis? (iii) Describe the nearest neighbors of atoms A, B and X. (iv) Find the critical ratio of radii of A, B and X atoms when atoms A and B touch X atoms and simultaneously X atoms touch X atoms.18.What is the Bravais lattice formed by all points with Cartesian coordinates (n1,n2,n3) if (a) all niare either even or odd integers, (b) the sum of the integer nirequired to be even? 19.Show geometrically that the face centered tetragonal structure is equivalent to a body centered tetragonal lattice in which the sides of the unit basis unit cell is √2times what it is for the face centered arrangement. Why are the fcc and bcc structure distinct then? is 1
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