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In an hcp structure, calculate a. Z("e...

In an hcp structure, calculate
a. `Z_("eff)`
Base area of hexagon
c. Height of hexagon
d. Volume of unit cell of hexagon
e. Packing fraction
f. `c//a` ratio of ideally closed hcp crystal

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CENGAGE CHEMISTRY-NCERT BASED EXERCISE-Short Answer Type Questions
  1. Where the TVs and OV s are located in a closet packed structure?

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  2. What is the distance between two TVs?

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  3. In an hcp structure, calculate a. Z("eff) Base area of hexagon c...

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  4. In a diamond cubic (dc) structure, calculate (a) Z("eff")(b) CN radi...

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  5. What is the ratio of (TV//OV)("occupied") in spinel an inverse spinel...

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

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  7. What is the occurrence of different forms of the same compound called?

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  8. How many types of allotropy exist?

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  9. How can a substance be made amorphous?

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  10. Why does ZnO show increased electrical conductivity and turns yellow o...

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  11. Why NiO and FeO are nonstroichiometric with the formula Ni(0.98)O and ...

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  12. Why the defectsof the crystalline solids are called thermodynamic defe...

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  13. Why stoichiometric defects are also called intrinsic defects?

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

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  15. Why Frenkel defects are not found in pure alkali metal halides?

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  16. Why common salt (NaCl) sometimes appear yellow?

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  17. How do the electrical conductivity and resistivity of metallic conduct...

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  18. What is energy gap in bond theory?

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  19. What is photo voltaic cell?

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  20. What happens when ferrimagnetic Fe(3)O(4) is heated to 850 K?

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