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What is the CN of cation and anion in a ...

What is the `CN` of cation and anion in a corundum structure?

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`A_(2) O_(3)` type: `CN` of `A^(3+) = 6` and `CN` of `O^(2-) = 4`.
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CENGAGE CHEMISTRY-NCERT BASED EXERCISE-Short Answer Type Questions
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  10. Why stoichiometric defects are also called intrinsic defects?

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  11. Give the name of one solid which shows both Schottky and Frenkel defec...

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  19. Which type of defect is product when NaCl is dopped with AlCl(3)?

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  20. Which point defect lowers the density of a crystal?

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