Lithium has a bcc structure. Its density is 530 kg m⁻³ and its atomic mass is 6.94 g mol⁻¹. Calculate…

Lithium has a bcc structure. Its density is 530 kg $m^{-3}$ and its atomic mass is 6.94 g $mol^{-1}$. Calculate the edge length of a unit cell of lithium metal. ($N_A = 6.02 \times 10^{23}\ mol^{-1}$)
A 352 pm
B 527 pm
C 264 pm
D 154 pm

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