Home
Class 12
CHEMISTRY
Do all metals posses a closest packed st...

Do all metals posses a closest packed structure?

Text Solution

Verified by Experts

No, metals with lap and ccp arrangement have closest packed structures with packing efficiency of 74% whereas metals with bcc arrangement do not have closest packed structure with packing efficiency of 68%.
Promotional Banner

Topper's Solved these Questions

  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY|Exercise NCERT Exercise|104 Videos
  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY|Exercise Short Answer Type Questions(ElectroCHMmical Cell)|4 Videos
  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY|Exercise NCERT Exerise|25 Videos
  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY|Exercise Exercises Archives (Linked Comprehension)|1 Videos
  • NUCLEAR CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Archives Subjective|13 Videos

Similar Questions

Explore conceptually related problems

In a closed packed structure

Do all the metals possess a close-packed struture ? Name the different structures exhibited and give their packing fractions.

How many TVs and OV s occur per unit cell and per atom in a closest packed structure?

Which of the following is correct for closest packed structure?

The distance between any two TV_(s) formed one any body diagonal of a closest packed structure is = x xx a , where a is the edge length of closest packed structure. the value of x = ……… .

(a) What is the C.N. of Cr atom in bcc structure ? (b) Cobalt metal crystallises in a hexagonal closest packed structure. What is the C.N. of cobalt atom? (c) Describe the crystal structure of Pt, which crystallises with four equivalent atoms in a cubic unit cell

all vertebrates posses

The number of octahedral voids in a unit cell of a cubical closest packed structure is:

CENGAGE CHEMISTRY-NCERT BASED EXERCISE-Short Answer Type Questions
  1. What is the coordination number of hcp and ccp?

    Text Solution

    |

  2. How the sturctue of amorphous silica (quartz glass) differ from quartz...

    Text Solution

    |

  3. Do all metals posses a closest packed structure?

    Text Solution

    |

  4. Why do some substance exist as solids?

    Text Solution

    |

  5. Why do the window glass of old old building (a) look milky and (b) bec...

    Text Solution

    |

  6. Why the melting points of NaF and MgO (990^(@)C and 2640^(@)C) are so ...

    Text Solution

    |

  7. How many types of centred unit cells exist?

    Text Solution

    |

  8. How many types of two-dimensional lattice exist? Why pentagonal lattic...

    Text Solution

    |

  9. How many TVs and OV s occur per unit cell and per atom in a closest pa...

    Text Solution

    |

  10. Where the TVs and OV s are located in a closet packed structure?

    Text Solution

    |

  11. What is the distance between two TVs?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. How many types of allotropy exist?

    Text Solution

    |

  18. How can a substance be made amorphous?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |