Chemistry

Problem

The edge length of unit cell of a metal (molar mass 24) having cubic structure 4.53 Å. If the density of metal is

1.74 \text{ g/cm}^3

, the radius of metal is : (Av. No. =

6 \times 10^{23}

) a. 180 pm b. 160 pm c. 140 pm d. 190 pm