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The number of atoms contained in a fcc u...

The number of atoms contained in a fcc unit cell of a monoatomic substance is

A

1

B

2

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
In fcc, contribution of each atom present at the corner = `1/8`
Contribution of each atom present at the face centre `=1/2`
`threrefore` Total number of atoms in fcc
`8xx1/8+6xx1/2`
=1+3=4
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLID STATE-EXERCISE 1
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  2. The number of hexagonal faces that are present in a truncated octahedr...

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  3. The number of atoms contained in a fcc unit cell of a monoatomic subst...

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  4. Number of unit cells in 4g of X(atomic mass=40). Which crystallises in...

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  5. Match the following Choose the correct option

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  6. What is the coordination number of each atom in a hexagonal close-pack...

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  7. At the limiting value of radius ration (r^+)/(r^-)

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  8. The NaCl structure can be converted into CsCl structure

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  9. If the crystallises in zinc blende structure with I^- ions at lattice ...

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  10. In which pair most efficient packing is present?

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  11. In which of the following packing 74% space is occupied by the atoms w...

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  12. When the centres of the four immediate neighbouring spheres are joine...

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  13. If the number of close packed sphere be N, then the number of octahedr...

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  14. While placing the second layer over that first layer , if the sphere o...

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  15. In an antiflourite structure, cations occupy

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  16. The numbers of tetrahedral and octahedral holes in a ccp array of 100 ...

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  17. The total number of octahedral void (s) per atom present in a cubic cl...

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  18. Total no. of voids in 0.5 mole of a compound forming hexagonal closed ...

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  19. Point out the correct statement for the set of characteristics of ZnS ...

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  20. In which of the following crystals, alternate tetrahedral voids are oc...

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