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What do you understand by an octahedral ...

What do you understand by an octahedral void in a close-packed crystal structure? What is the relation between the number of octahedral voids and the number of packed particles in a close-packed structure of particles?

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What do you understand by a tetrahedral void in a close-packed structure of a crystal? What is the relation between the number of tetrahedral voids and the number of packed particles in a close-packed structure of particles?

The number of octahedral void(s) per atom present in a cubic close-packed structure is-

What is the C.N. of octahedral void ?

What is the unit cell in a cubic close-packed (ccp) structure of particles?

The number of particles is a unit cell of hexagonal close-packed structure is-

What is the unit cell in a hexagonal close-packed (hcp) structure of particles?

Show that the number of octahedral voids in a ccp or an hcp structure is equal to the number of packed particles.

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The cordination number of a metal crystallising in a hexagonal close-packed structure is:

CHHAYA PUBLICATION-SOLID STATE-EXERCISE
  1. Why does KCl become violet in colour when it is heated in presence of ...

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  2. What do you understand by a tetrahedral void in a close-packed structu...

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  3. What do you understand by an octahedral void in a close-packed crystal...

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  4. Metallic Zn has a hexagonal close-packed array of Zn atoms. How many v...

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  5. What type of semiconductor (n-or p-type) is formed when pure Ge is dop...

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  6. What type of semiconductor (n- or p-type) is formed when pure Si is do...

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  7. Why does the electrical conductivity of semiconductors increase with r...

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  8. Why is the electrical conductivity of metals found to decrease with ri...

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  9. Why does the electrical conductivity of germanium crystal increase whe...

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  10. Write the differences between crystalline and amorphous solids.

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  11. On the basis of the nature of constituent particles, how are crystalli...

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  12. Between square and hexagonal close packing in two dimensions, which on...

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  13. Define: (i) Cubic close-packed structure (ii) Hexagonal close-packed s...

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  14. Show that 26% of the total volume of a face-centred cubic unit cell re...

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  15. Show that the number of octahedral voids in a ccp or an hcp structure ...

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  16. Explain how the electrical neutrality of an ionic crystal is maintaine...

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  17. Table salt (NaCl), which is essentially white in colour, is found yell...

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  18. ZnO is white in colour, but when it is heated its colour turns yellow....

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  19. Why is ferrous oxide hard to be prepared with ideal stoichiometric com...

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  20. Calculate the number of particles in unit cells of ccp and hcp structu...

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