Question- Sodium metal has a crystal structure based on the body-centered cubic unit cell. What is the closest value to the mass of one unit cell of sodium metal?
A. 91.96 amu
B. 22.99 amu
C. 45.98 amu
D. 68.97 amu
E. 183.92 amu
Here is the problem which I am struggling on, please help me