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(a) Define the terms crystalline and amo...

(a) Define the terms crystalline and amorphous solids.
(b) Explain Schottky defect with an example.

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DINESH PUBLICATION-SOLID STATE-ASSIGNMENT
  1. Write a point of distinction between a metallic solid and ionic solid ...

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  2. Ionic solids conduct electricity in the molten state and not in the so...

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  3. (a) Define the terms crystalline and amorphous solids. (b) Explain S...

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  4. Define a unit cell

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  5. What is co-ordination number ?

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  6. How manu atoms are present in the unit cell of : (i) Simple cubic ...

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  7. Define term space lattice ?

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  8. Identical spheres are undergoing two-dimensinal packing in squre close...

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  9. What is the co-ordination number of each sphere in cubic close packing...

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  10. What are voids or interstitial sites ?

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  11. How many voids per point are present in cubic close packed structures ...

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  12. How many octahedral tetrahedral voids are per sphere in a unit cell ?

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  13. Name the three of crystalline solids having the formula AB.

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  14. What are the coordination number of Zn^(2+) and S^(2-) ions in ZnS?

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  15. An element occurs in bcc structure. How many atoms are present in its ...

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  16. The unit cell of a substance has cations A^(+) at the corners of the u...

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  17. What is the co-ordination number of each sphere in (i) Hexagonal clo...

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  18. Knowing the edge length of a cubic crystal of an element and its. Dens...

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  19. What are interstitial sites ? Discuss tetrahedral and octahedral sites...

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  20. The number of atoms present per unit cell in simple, fcc and bcc are …...

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