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What is the co-ordination number of each...

What is the co-ordination number of each sphere in cubic close packing and hexagonal close packing ?

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The co-ordination number of atoms in a cubic close pack structure is 12 .
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(i) What is meant by the term 'coordination number'? (ii) What is the coordination number of atoms: (a) in a cubic close-packed structure? (b) in a body-centred cubic structure?

What is the two dimensional coordination number of a molecule in square close packed layer ?

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is maximum and the constituents occupy the maximum available space. In two dimension there are square close packing and hexagonal close packing, cubic close packing and body-centred cubic packing i) hcp: AB AB AB AB .... arrangement Coordination no. = 12 , % occupied space = 74% ii) ccp: ABC ABC ....... arrangement Coordination no. = 12, % occupied space = 74% iii) bec: 68% space is occupied. Coordination no= 8 17. The empty space left in hcp in three dimensions is

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is maximum and the constituents occupy the maximum available space. In two dimension there are square close packing and hexagonal close packing, cubic close packing and body-centred cubic packing i) hcp: AB AB AB AB .... arrangement Coordination no. = 12 , % occupied space = 74% ii) ccp: ABC ABC ....... arrangement Coordination no. = 12, % occupied space = 74% iii) bec: 68% space is occupied. Coordination no= 8 17. The pattern of successive layers of cop arrange-ment can be designated as

The percentages of void space for simple cubic, body centred cubic and hexagonal close packed arranged respectively are

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-SOLID STATE-VERY SHORT ANSWER QUESTIONS
  1. Classify the following solids as ionic , metallic , molecular , covale...

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  2. What is meant by the term "coordination number"? b. What is the coor...

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  3. What is the co-ordination number of each sphere in cubic close packing...

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  4. The coordination number of each atom in body centered cubic unit cell...

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  5. a. "Stability of a crystal is reflected is reflected in the magnitude ...

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  6. How are the intermolecular forces among the molecules affect the melti...

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  7. How do you distinguish between hexagonal close - packing and cubic clo...

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  8. How do you distinguish between crystal lattice and unit cell ?

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  9. How many lattice points are there in one unit cell of face centered cu...

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  10. How many lattice points are there in one unit cell of each of the foll...

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  11. How many lattice points are there in one unit cell of body centered cu...

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  12. What is a semi conductor ?

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  13. What is Schottky defect ?

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  14. What is Frenkl defect ?

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  15. What is interstitial defect ?

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  16. What are f-centers ?

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  17. Explain Ferromagnetism with suitable example .

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  18. Explain paramagnetism with suitable example .

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  19. Explain Ferrimagnetisms with suitable example.

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  20. Explain Antiferromagnetism with suitable example .

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