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The number of carbon atoms per unit cell...

The number of carbon atoms per unit cell of diamond unit cell is

A

8

B

6

C

1

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
Diamond is like ZnS. In diamond cubic unit cell, there are eight corner atoms, six face centered atoms and four more atoms inside the structure (tetrahedral voids). Total no. of atoms present per unit cell = `8 xx 1/8 + 6 xx 1/2 + 4 = 8`
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DISHA PUBLICATION-THE SOLID STATE-EXERCISE -1 : CONCEPT BUILDER
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  6. Consider the following fcc unit cells choose the correct option

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  8. A mineral MX(2) crystallizes in ccp of M^(2+) ions whereas X^(-) ions ...

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  9. Polonium crystallizes in a simple cubic strtucture. The edge of the u...

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  10. CsBr has bcc stucture with edge length 4.3 pm .The shortest interionic...

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  12. The coordination number X (---) of each ion in KBr is changed to Y (--...

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  13. Each edge of a cubic unit cell is 400pm long. If atomic mass of the e...

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  14. The atomic radius of strontium (Sr) is 215 p m and it crystallizes wit...

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  15. A metal crystallises in a face centred cubic structure. If the edge le...

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  16. An element having an atomic radius of 0.14 nm crystallises in a fcc un...

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  17. Ammonium chloride crystallizes in a body centred cubic lattice with ed...

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  18. The edge length of a face centred cubic cell of an ionic substance is ...

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  19. An element (atomic mass = 100 g//mol) having bcc structure has unit ce...

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  20. If the pressure on a NaCI structure in increases , then its coordinati...

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