Lithium has a bcc structure. Its density is \( 530 \mathrm{~kg} \ma...

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Lithium has a bcc structure. Its density is \( 530 \mathrm{~kg} \mathrm{~m}^{-3} \) and its atomic mass is \( 6.94 \mathrm{~g} \mathrm{~mol}^{-1} \). Calculate the edge length of a unit cell of lithium
\( \mathrm{P} \) metal. \( \left(N_{A}=6.02 \times 10^{23} \mathrm{~mol}^{-1}\right) \)
(a) \( 527 \mathrm{pm} \)
(b) \( 264 \mathrm{pm} \)
(c) \( 154 \mathrm{pm} \)
(d) \( 352 \mathrm{pm} \)
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