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What is F-centres ?...

What is F-centres ?

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. How do metallic solid and ionic solid differ in conducting property ?

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  2. Why does Frenkel defect not change the density of AgCl crystal?

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  3. What is F-centres ?

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  4. Name the type of structure possessed by unit cell of CsCl.

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  5. What type of stoichiometric defect is shown by ZnS?

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  6. What type of stoichiometric defect is shown by AgBr?

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  7. How many Chloride ions are there around sodium ion in sodium chloride ...

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  8. How will you distinguish between tetrahedral void and octahedral void ...

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  9. What is co-ordination number ?

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  10. Write the equation by which you can find atomic mass of a metal from i...

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  11. An ionic compound has a unit cell consisting of A ions at the corners ...

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  12. What is a semiconductor? What aren-type and p-type semiconductors?

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  13. Gold (atomic radius = 0.144 nm) crystallises in a face centred unit ce...

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  14. What type of forces operate in molecular solids?

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  15. Write two characteristic properties of molecular solid.

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  16. Write two characteristic properties of ionic solid.

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  17. What types of solids are electric conductors, malleable and ductile?

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  18. What type of solids are very hard and electrical insulator in solid st...

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  19. What do you mean by packing efficiency ? In which type of crystal arra...

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  20. What type of stoichiometric defect is shown by ZnS?

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