Question

A matter has a body-centered cubic unit cell with a length of 330 𝑝𝑚 along an edge and a density of 8.57 𝑔 𝑐𝑚−3 . Calculate the atomic mass of the matter.

Answer 1

$$(3.3\cdot10^{-10})^2=\frac{2M}{8.57\cdot6.023\cdot10^{23}}\\M=93$$