The metal niobium has a BCC crystal structure. If the angle of diffraction for the (211) set of planes occurs at 75.99° (first-orderreflection) when monochromatic x-radiation having a wavelength of 0.1659 nm is used, compute the following:(a) The interplanar spacing for this set of planesi 0.539(b) The atomic radius for a Nb atominm0.467nm

Use Bragg's Law to calculate the value of the interplanar distance....where,n = order of…

Answered: The metal niobium has a BCC crystal…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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7) Explain what the major difference in the XRD patterns of base-centered and body- centered orthorhombic structures (see figure below) would be (a) (b) (a) Base-centered and (b) body-centered orthorhombic unit cells.
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(c) Three-dimensional hexagonal boron nitride is made up of sheets of the two- dimensional material described above. X-ray diffraction is used to measure the distance between adjacent rows of boron atoms in the layers, and the distance between the two-dimensional sheets. i. Draw diagrams to show how a single-crystal sample of BN must be orientated with respect to the incident and scattered beams in order to make these measurements.
8. a) Show that a two-dimensional lattice may not possess a 5-fold symmetry. b) Establish the fact that the number of two-dimensional Bravais lattices is five: Oblique, square, hexagonal, simple rectangular, and body-centered rectangular. (The proof is given in Kittel, 1970.) 9. Demonstrate the fact that if an object has two reflection planes intersecting at n/4, it also possesses a 4-fold axis lying at their intersection.
Which dn electron configurations are expected to undergo a Jahn–Teller distortion in a tetrahedral coordination compound? Explain your answer.
Which type of magnetic material cannot be used to makepermanent magnets, a ferromagnetic substance, an antiferromagneticsubstance, or a ferrimagnetic substance?
1. For BCC (body-centered cubic) chromium (Cr, having atomic radium of 0.1249 nm), determine the expected diffraction angle (θ) for the second-order reflection from the (211) set of planes, under monochromatic radiation with a wavelength of 0.0711 nm.
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(9) [Inorganic] CaCO3 has three different crystalline or polymorphic forms: Calcite space group R3-c, Aragonite space group Pmcn and Vaterite space group P63/mmc. Investigate which crystal lattices these groups belong to, and what their differences consist of. Would they have the same X-ray diffraction pattern? Note: The information in the statement is all I have. No more information
Which of the following schemes for the repeating pattern of close-packed planes are ways of generating close-packed lattices? Explain your answer. (i) АВССАВС .. (ii) АВАС ... (ii) ACCA.. (iv) АВСВС .. (v) АВВАВС (vi) АВСВ

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