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In a cubic close packed structure, fractional contributions of an atoms at the corner and at the face in the unit cell are respectively

a. 1/8 and 1/2

b. 1/2 and 1/4

c. 1/4 and 1/2

d. 1/4 and 1/8

Ans. a

PrevPreviousConsider the bcc unit cells of the solids 1 and 2 with the position of atoms as shown below. The radius of atom B is twice that of atom A. The unit cell edge length is 50% more in solid 2 than in 1. What is the approximate packing efficiency in solid 2

NextAn ionic compound is formed between a metal M and a non metal Y. If M occupies half the octahedral voids in the cubic close packed arrangement formed by Y, the chemical formula of the ionic compound isNext

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