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An hcp and a ccp structure for a given e...

An hcp and a ccp structure for a given element would be expected to have
(a)The same co-ordinational number
(b)the same density
(c)the same packing fraction
(d)all of the above

A

The same coordination number

B

The same density

C

The same packing fraction

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
A, C
The hcp and ccp structures have same `CN(12)`, same packing fraction `(0.74)`. but different density as the number of atoms as well as the volume of unit cell differ in both.
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CENGAGE CHEMISTRY ENGLISH-SOLID STATE-Exercises (Multiple Correct)
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  2. An hcp and a ccp structure for a given element would be expected to ha...

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  3. Ions of NaCl which are touched by 1 body diagonal are

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  4. Which of the follwing statements is/are correct for both fluorite and ...

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  5. Identical spheres are undergoing two-dimensinal packing in squre close...

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  6. For which of the following cases, answer is 4

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  7. An octahedron has

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  10. If the radius of anion is 0.20 nm, the maximum radius of cation which ...

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  11. Which of the following statements is/are correct?

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  12. Select the correct statement(s).

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  13. Select the correct statement(s).

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  14. Select the correct statement(s) about three-dimensional hcp system.

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  15. In which of the following systeam primitives a != b != c?

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  16. In which of the following systeams interfacial angles alpha = gamma = ...

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  17. The space in which atoms are not present in unit cell is

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  18. Which of the following having having their radius ratio between0.414 a...

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  19. In the fluorite structure if the radius ratio is (sqrt(3/(2))-1) how m...

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  20. Following three planes (P(1), P(2), P(3)) in an fcc unit cell are show...

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