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The cordination number of a metal crysta...

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

A

12

B

4

C

8

D

10

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MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. Close packing is maximum in the crystal which is

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  2. In a solid lattice the cation has left a lattice site and is located a...

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  3. The cordination number of a metal crystallising in a hexagonal close-p...

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  4. In the primitive cubic unit cell, the atoms are present at the:

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  5. In the body centered unit cell, the lattice point are present at the:

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  6. The crystal system of a compound with unit cell parameter,

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  7. The apperance of colour in solid alkeli metal halide is generally due ...

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  8. Which of the following statements is correct in the body centred type ...

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  9. The device used for producing electric current is called:

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  10. When unpaired electron is trapped in anion vacancy, then crystal with ...

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  11. Which of the following is a molecular solid?

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  12. The empty space within hcp arrangement is

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  13. The number of tetrahedral voids per atom in a crystal lattice is………………...

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  14. The unit cell with parameter alpha=beta=gamma=90^(@) and a=b ne c is

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  15. What are the coordination number of Na^+ and Cl^- ions in NaCl?

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  16. Explain the Schottky defects in crystals.

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  17. Doping mens introduction of small amount of impurities like phosphor...

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  18. On doping germanium metal with a little of indium, one gets

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  19. The number of types of spaces lattices possible in a crystal are………………...

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  20. The number of tetrahedral voids per atom in a crystal lattice is………………...

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