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The following questions reference this figure which is an x-ray scattering patte

ID: 872878 • Letter: T

Question

The following questions reference this figure which is an x-ray scattering pattern from an element and are each worth 5 points. The monochromatic radiation has a wavelength of 0.154 nm. 16. The crystal structure of this element is: a. BCC b. FCC c. HCP d. amorphous 17. Give the values of the h, k and I indices for the first scattering peak. a.110 b.200 c.111 d.210 18. Determine the inter-planar spacing for the first peak. a. 0.207 nm b. 1.54 nm c. 0.154 nm d. 0.453 nm 19. Determine the atomic radius of the element. a. 0.333 nm b. 0.128 nm c. 1.28 nm d. 0.256 nm

Explanation / Answer

For the above given problem, the corresponding solution for each are as below,

16. b. FCC

17. b. 200

18. a. 0.207 nm

19. b. 0.128 nm