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25) X-ray diffraction (XRD) is an analytical method of studying solids. Find the identity of an unknown metal whose unit cell edge is 0.303 nm measured by XRD and density is 6.1 g/mL. A. zinc (MW=65) B. copper (MW=63.5) C. iron (MW=56) D. vanadium (MW=51)

25) X-ray diffraction (XRD) is an analytical method of studying solids. Find the identity of an unknown metal whose unit cell edge is 0.303 nm measured by XRD and density is 6.1 g/mL. A. zinc (MW=65) B. copper (MW=63.5) C. iron (MW=56) D. vanadium (MW=51)

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter8: Molecules And Materials
Section: Chapter Questions
Problem 8.16PAE: 8.16 Iridium forms a face-centered cubic lattice, and an iridium atom is 271.4 pm in diameter....
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hint : its BCC

Molybdenum has an atomic radius of 0.145 nm. The volume of its cubic unit cell is 0.0375 nm3. What is the geometry of the molybdenum unit cell? Coor structure SAMPLE SOLUTION CAVEN: r: 0.145 nm Vello 0.0375 am REQ'D: GEO METRy or StRuGuRE SC bCC FCC CouATION: GET or o-5 2. or 0-354 4 or 0.433 Veull = a : 0-0375 hm a- 0-335 nm 0.145 nm BCC 0.433 D-395 nn or 0.433
Transcribed Image Text:Molybdenum has an atomic radius of 0.145 nm. The volume of its cubic unit cell is 0.0375 nm3. What is the geometry of the molybdenum unit cell? Coor structure SAMPLE SOLUTION CAVEN: r: 0.145 nm Vello 0.0375 am REQ'D: GEO METRy or StRuGuRE SC bCC FCC CouATION: GET or o-5 2. or 0-354 4 or 0.433 Veull = a : 0-0375 hm a- 0-335 nm 0.145 nm BCC 0.433 D-395 nn or 0.433
25) X-ray diffraction (XRD) is an analytical method of studying solids. Find the identity of an unknown metal whose unit cell edge is 0.303 nm measured by XRD and density is 6.1 g/mL. A. zinc (MW=65) B. copper (MW=63.5) C. iron (MW=56) D. vanadium (MW=51)
Transcribed Image Text:25) X-ray diffraction (XRD) is an analytical method of studying solids. Find the identity of an unknown metal whose unit cell edge is 0.303 nm measured by XRD and density is 6.1 g/mL. A. zinc (MW=65) B. copper (MW=63.5) C. iron (MW=56) D. vanadium (MW=51)
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