Calculations Involving Unit Cell Dimensions

2020 1 question

1. 1 The Solid State Easy
   An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radius is:
   A $\frac{\sqrt{2}}{4}\times288\ pm$ B $\frac{4}{\sqrt{3}}\times288\ pm$ C $\frac{4}{\sqrt{2}}\times288\ pm$ D $\frac{\sqrt{3}}{4}\times288\ pm$
   Check Answer