How to Solve Unit Cell Problems

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Love the way you took your time and explained this...

animestudios
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Since you use dimensional analysis for the first few calculations, rather than a ratio to solve for atoms per unit cell you can also use dimensional analysis for this as well by multiplying 8.5 x 10^22 atoms/cm^3 by 2.4 x 10^-23 cm^3/unit cell which equals 2 atoms/unit cell. Once students learn dimensional analysis, I think it is preferred to continue that approach rather than bring a ratio approach back in. But, ratios do always work. Nice job.

mountainbiker