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Give any three characteristics of ionic ...

Give any three characteristics of ionic crystals.

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(i) Ionic solids have high melting points.
(ii) These solids do not conduct electricity the molten state, because the ions are fixed in their lattice positions.
(iii) They do conduct electricity in molten state ( or ) when dissolved in water because, the ioins are free to move in molten state or solution.
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SURA PUBLICATION-SOLID STATE-ANSWER THE FOLLOWING QUESTIONS
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  2. Give any three characteristics of ionic crystals.

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  3. Differentiate crystaline solids and amorphous solids.

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  5. Caluclation of number of atoms in different types of unit cells

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  6. Distinguish tetrahedral and octahedral voids.

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  7. Distinguish tetrahedral and octahedral voids.

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  8. What are point defects?

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  9. Explain Schottky defect.

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  10. Write short note on metal excess and metal deficiency defect with an e...

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  11. Calculate the number of atoms in a fcc unit cell.

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  13. Why ionic crystals are hard and brittle ?

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