Embibe Experts Solutions for Chapter: Solid State, Exercise 1: Assam CEE 2016

A metal crystallizes with face centred cubic lattice. The edge of the unit cell is $408 \mathrm{pm}.$ The diameter of the metal atom is

Packing fraction for a fcc crystal is:

Calcium metal crystallizes in an f.c.c. lattice with edge length $0.556 \mathrm{nm}$. If it contains $0.5\%$ Frenkel defects, the density of the metal is

Which of the following statements is true?

$\mathrm{P}$ atoms occupy the corners of an f.c.c. unit cell and $\mathrm{Q}$ atoms occupy the face-centered positions, and atoms are not present in two corners of each unit cell. The formula of the compound is