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)
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter21: The Solid State: Crystals
Section: Chapter Questions
Problem 21.40E
Related questions
Question
SHOW YOUR COMPLETE SOLUTION
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49a3de15-9476-4305-8544-6aa757ff4f78%2F11022acb-9eeb-4740-9741-16f4b972de1d%2F50c2mva_processed.jpeg&w=3840&q=75)
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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49a3de15-9476-4305-8544-6aa757ff4f78%2F11022acb-9eeb-4740-9741-16f4b972de1d%2Fxxawiqb_processed.jpeg&w=3840&q=75)
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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