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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Determine the crystal structure for the following: (a) a metal with a0 = 4.9489 Å, r = 1.75 Å and one atom per lattice point; and (b) a metal with a0 = 0.42906 nm, r = 0.1858 nm and one atom per lattice point.
Chromium (Cr) has a BCC crystal structure. The atomic radius of Cr is 0.1249 nm. (a) Compute the linear density of the [110] direction of the single crystal Cr; (b) Compute the planar density of the (110) plane of the single crystal Cr.
(a) Why does Li Cl acquire pink colour when heated in Li vapours? (b) A solid with cubic crystal is made of two elements ‘P’ and ‘Q’ Atoms of ‘Q’ are at the comers of the cube and ‘P’ at body centre. What is the formula of compound?
The coordination number for the Al3+ ion is typically betweenfour and six. Use the anion coordination number todetermine the Al3 + coordination number in the followingcompounds: (a) AlF3 where the fluoride ions are two coordinate,(b) Al2O3 where the oxygen ions are six coordinate, (c)AlN where the nitride ions are four coordinate.
(a) What kind of packing arrangement is seen in the accompanyingphoto? (b) What is the coordination numberof each cannonball in the interior of the stack? (c) Whatare the coordination numbers for the numbered cannonballson the visible side of the stack?
Explain the following observations:The interhalogen ICl3 is known, but BrCl3 is not.
For the following compound predict the structure and explain it with a neat sketch according to the Coordination Number (CN): a) FeO b) CSCI; Hence, the atomic radius of the element is given below: rFe=0.077nm, ro-0.140nm, rcI=0.181nm and rcs=0.170nm
calculate the linear electron density of gallium arsenide in with is 10 nm the sub band values of the GeAr are nx =2,ny =2
How will you distinguish between the following pairs of terms:(i) Tetrahedral and octahedral voids(ii) Crystal lattice and unit cell
The colors in the copper-containing minerals malachite,which is green and has an empirical formula of Cu2CO3(OH)2, and azurite, which is blue and has an empirical formulaof Cu3(CO3)2(OH)2, come from a single d-d transitionin each compound. The compounds are sometimes foundtogether in nature as shown here. (a) What is the electronconfiguration of the copper ion in each mineral? (b) Basedon their colors, in which compound would you predict thecrystal-field splitting Δ is larger?
Explain the terms : (a) Intrinsic semiconductor (b) Extrinsic semiconductor.
9. For a two dimensional lattice with, az= a/2 a1= a (a) what is the area of a primitive cell? (b) show that the lattice is a rectangular lattice? (c) draw the Wigner-Seitz cell of this lattice and show that the area of the Wigner-Seitz cell is the same as in (a).

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