Posted by Anonymous on Wednesday, January 13, 2010 at 10:46pm.
This is math??
Yes, there are two atoms/unit cell in a bcc.
I don't know how much information you have but the general idea is to calculate the volume of the unit cell (vol = mass/density), then calculate the volume of the two atoms [(4/3)*pi*r^3 for each of the two atoms]. then divide
(vol sphere/vol unit cell)*100 = percent occupied by atoms.
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