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Unformatted text preview: 4. Calculate the density of platinum if it crystallizes in the fcc structure with an atomic radius of 139 pm. 5. Determine the atomic radius of tantalum which crystallizes in the bcc structure and has a density of 16.654 g/cm 3 . 6. Please also do #37 from ch. HW 7. Also, review the cubic closest packed and hexagonal closest packed structures. Check out how they form and what type of unit cell they make....
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- Winter '08
- Vaporization, Crystal, Crystal system, Clemens