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Define (a) simple or primitive unit cell...

Define (a) simple or primitive unit cell (b) body-centred unit cell ( c) face-centred unit cell (d) end-centred unit cell.

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Define a unit cell

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How many atoms can be assigned to its unit cell if an element forms (i) a body centred cubic unit cell (ii) face centred cubic unit cell ?

How many particles are there in a body-centred and a face-centred cubic unit cell?

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

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CHHAYA PUBLICATION-SOLID STATE-WARM UP EXERCISE
  1. Define the terms (a) crystal (b) crystal lattice ( c) lattice point.

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  2. What is unit cell of a crystal lattice? What parameters are used to ch...

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  3. Define (a) simple or primitive unit cell (b) body-centred unit cell ( ...

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  4. Which type of unit cells are called non-primitive unit cells?

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  5. How many types of two-dimensional lattices are possible?

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  6. How many types of crystal systems are there? Name them.

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  7. How many Bravais lattice are there? How many of these do belong to the...

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  8. Which crystal systems have the following axial characteristics? (i) a ...

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  9. Which crystal system has all possible types of unit cells, i.e., primi...

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  10. Name a compound and an element whose crystals consist of cubic unit ce...

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  11. Name a compound and an element whose crystals consist of hexagonal uni...

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  12. Calculate the number of particles per unit cell of three possible cubi...

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  13. Calculate the number of particles per unit cell of the following two-d...

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  14. The given figure represents the unit cell of a solid with a cubic crys...

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  15. Molar mass of an element is Mg*mol^(-1). The element crystallises in a...

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  16. A metal (molar mass = 108 g*mol^(-1)) crystallises in a cubic structur...

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  17. A cubic unit cell contains one atom at each of its corner and two atom...

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  18. A crystalline compound formed by elements A and B has facecentred cubi...

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  19. What is packing efficiency of a unit cell? Show that the packing effic...

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  20. Show that 32% of the total space within a body-centred cubic unit cell...

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