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(20 points) Both Au, which is FCC, and W which is BCC have a density of 19.3 g/cm3. Their respective atomic weights are 197.0 and
(20 points) Both Au, which is FCC, and W which is BCC have a density of 19.3 g/cm3. Their respective atomic weights are 197.0 and 183.9. a. What is the lattice parameter for each metal? b. Assuming both contain hard sphere atoms, what is the ratio of their diameters? c. Calculate the number of atoms per cm2 on the surface of the crystals identified by the [100] direction. d. Contrast the x-ray diffraction spectrum for each of the crystals
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