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Distinguish between- (i) the hexagonal a...

Distinguish between- (i) the hexagonal and monoclinic unit cells (ii) the face-centred and end-centred unit cells.

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(i)
(ii) A face-centred unit cell has lattice points at its corners in addition to those at the centres of its faces.
An end-centred unit cell has lattice points at its corners in addition to those at the centres of two parallel faces of cell.
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CHHAYA PUBLICATION-SOLID STATE-SOLVED NCERT TEXTBOOK PROBLEMS
  1. Give the significance of a 'lattice point'.

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  2. Name the parameters that characterise a unit cell.

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  3. Distinguish between- (i) the hexagonal and monoclinic unit cells (ii) ...

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  4. Explain how much portion of an atom located (i) corner and (ii) body c...

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  10. What type of defect can arise when a solid is heated? Which physical p...

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  15. Define the term 'amorphous'. Give a few example of amorphous solids.

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  16. What makes a glass different from a solid such as quartz? Under what c...

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  18. (i) What is meant by the term 'coordination number'? (ii) What is th...

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