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Write two example of covalent solids....

Write two example of covalent solids.

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SiC, `SiO_2`, graphite, AIN
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A N EXCEL PUBLICATION-THE SOLID STATE-QUESTION BANK
  1. A cubic unit cell is characterised by a=b=c and alpha=beta=gamma=90^@ ...

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  2. Cubic unit cells are divided into primitive, bcc and fcc. Calculate t...

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  3. Write two example of covalent solids.

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  4. Thermal and elctrical conductivity of a solid is same in different dir...

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  5. Classify the following as amorphous or crystalline solids: polyurethan...

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  6. Diamond is a covalent solid in which carbon atoms are covalently...

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  7. Give two differences in properties of covalent and ionic solids.

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  8. Based on the dimensions of unit cells, crystal can be classified into ...

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  9. Draw the structure of different cubic unit cells and calculate the num...

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  10. In Beryllium crystal the layers of atoms are being arranged in a patte...

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  11. Calculate the number of tetrahedral and octahedral voids present in 1 ...

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  12. The vacant spaces in close packed structures are called voids. illus...

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  13. Find the number of tetrahedral voids and octahedral voids in a crysta...

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  14. A solid has a ccp arrangement of O^(2-) ions. All of the tetrahedral ...

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  15. Calculate the atomic mass of an element having cubic structure with on...

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  16. The following diagram shows the alignment of magnetic moments for some...

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  17. Classify the following on the basis of magnetic properties and name of...

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  18. Some solids have regular order arrangement and others not. List out th...

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  19. Solid A is very hard, insulator in solid as well as in molten state an...

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  20. Account for the following : The electrical conductivity of a metal ...

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