radiation having a wavelength of 0.0711 nm was used. A) Determine whether this metal's crystal structure is FCC, BCC, or neither BCC or FCC. B) If the crystal structure is BCC, FCC (or HCP), identify which metal gives this diffraction pattern using the given table. Crysta! Structure Alwnic Redis" (nm) 0.1431 Crystel Atamie Structure Radits (nm) 0.1363 0.1246 Metal Metal Aluminum FCC Molybdenum BCC Nickel Cadmium HCP 0.1490 FOC Chromi un BCC 0.1249 Platinuro FCC 0.1387 Cobalt HCP 0.1253 Silver FCC 0.1445 Copper FCC 0.1278 Tantalum 0.1430 Gold FCC 0.1442 Titanium (a) HCP 0.1445 Iron (a) BC 0.1241 Tungsten 0.1371 Lead FCC 0.1750 Zinc HCP 0.1332

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter22: Inorganic Materials
Section: Chapter Questions
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1. A metal in a (222) plane has a diffraction angle of 18.27°C (first order). Monochromatic x-
radiation having a wavelength of 0.0711 nm was used. A) Determine whether this metal's
crystal structure is FCC, BCC, or neither BCC or FCC. B) If the crystal structure is BCC, FCC (or
HCP), identify which metal gives this diffraction pattern using the given table.
Crystal
Structure
Atwmie Hadius"
(um)
0.1431
Atomie
Structure Radius (nm)
0.1363
Crysta!
Metal
Metal
Molybdenum BCC
Aluminum FCC
Cadmium HCP
Chromiuo BCC
Cobalt
0.1490
Nickel
FCC
0.1246
0.1249
Platinum
FCC
0.1387
HCP
0.1253
Silver
FCC
0.1445
FCC
Tantalum
Copper
Gold
0.1278
0.1430
0.1442
Titanium (a) HCP
0.1445
FCC
Iron (a)
BC
0.1241
Tungsten
BCC
0.1371
Lead
FCC
0.1750
Zinc
HCP
0.1332
Transcribed Image Text:1. A metal in a (222) plane has a diffraction angle of 18.27°C (first order). Monochromatic x- radiation having a wavelength of 0.0711 nm was used. A) Determine whether this metal's crystal structure is FCC, BCC, or neither BCC or FCC. B) If the crystal structure is BCC, FCC (or HCP), identify which metal gives this diffraction pattern using the given table. Crystal Structure Atwmie Hadius" (um) 0.1431 Atomie Structure Radius (nm) 0.1363 Crysta! Metal Metal Molybdenum BCC Aluminum FCC Cadmium HCP Chromiuo BCC Cobalt 0.1490 Nickel FCC 0.1246 0.1249 Platinum FCC 0.1387 HCP 0.1253 Silver FCC 0.1445 FCC Tantalum Copper Gold 0.1278 0.1430 0.1442 Titanium (a) HCP 0.1445 FCC Iron (a) BC 0.1241 Tungsten BCC 0.1371 Lead FCC 0.1750 Zinc HCP 0.1332
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