The body centered cubic cell of chromium has an edge length of \( 0.288 \mathrm{~nm} \). Calcula...

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The body centered cubic cell of chromium has an edge length of \( 0.288 \mathrm{~nm} \). Calculate the density of chromium \( \left(\mathrm{g} / \mathrm{cm}^{3}\right) \) : (Atomic mass : \( \mathrm{Cr}=52.0 \) )
(a) \( 6.80 \)
(b) \( 7.60 \)
(c) \( 6.60 \)
(d) \( 7.23 \)
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