Chemistry

Problem

The edge length of unit cell of a metal having molar mass

75 \text{ g mol}^{-1}

5 \text{ \AA}

which crystallizes in cubic lattice. If the density is

2 \text{ g/cm}^3

, calculate the radius of metal atom (

N_A = 6 \times 10^{23}

). (IIT 2006)