Home
Class 12
CHEMISTRY
Niobium forms bcc structure. The density...

Niobium forms bcc structure. The density of niobium is `8.55 g cm^-3` and length of unit edge is 330.6 pm. How many atoms and unit cells are present in 0.5g of niobium?

Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    CHETANA PUBLICATION|Exercise EXERCISE|72 Videos

  • Ionic Equilibria

    CHETANA PUBLICATION|Exercise EXERCIES|36 Videos

  • SOLUTIONS

    CHETANA PUBLICATION|Exercise EXERCISE|63 Videos

Similar Questions

Explore conceptually related problems

The density of iron is 8.54 (g(cm^-3)) . Edge length is 2.8 no and atomic mass 56 (g (mol))^-1 . Find on of atoms in unit cell.

An element has a body centred cubic structure with a cell edge of 288 pm. The density of element is 7.2 g cm-3. How many atoms are present in 208 g of this element?

The density of AgCl is 5.56 g cm^(-3) .Length of the unit cell is 555.2 pm . Then which of the following is TRUE about the predicted nature of the solid ?

An element has bcc studture with unit cell edge length of 288 pm. How many unit cells and no. of atoms are present in 200 cm^3 of element?

Niobium is found to crystalline with bcc structure and found to have denstiy of 8.55 g cm^(-3) . Determine the atomic redius if niobium of its atmic mass is 93 u.

A metallic element exists as a cubic lattice. Each edge of the unit cell is 2.88 A. The density of the metal is 7.20 g/cm^3 . How many unit cells will be there in 100 g of the metal?

A compound CuCl has face-centred cubic structure. Its density is 3.4g cm^(-3) . What is the length of unit cell ?

The density of iridium is 22.4 g/cm^3 . The unit cell of iridium is fcc. Calculate its radium given molar mass is 192.2 g/mol.

CHETANA PUBLICATION-SOLID STATE-EXERCISE
  1. What is the ration of packing effciency in fcc and bcc crystals of the...

    Text Solution

    |

  2. Sodium metal crystalizes in bcc structure with the edge length of unit...

    Text Solution

    |

  3. Niobium forms bcc structure. The density of niobium is 8.55 g cm^-3 an...

    Text Solution

    |

  4. Molecular solids are

    Text Solution

    |

  5. Which of the following is not correct?

    Text Solution

    |

  6. Is solids, the constitutent particles may be

    Text Solution

    |

  7. A single substance that exists in two or more forms is called.

    Text Solution

    |

  8. Graphite is a

    Text Solution

    |

  9. Diamond is a

    Text Solution

    |

  10. The ratio of close packed atoms to tetrahedral holes in cubic pakcing ...

    Text Solution

    |

  11. The ratio of closed packed atoms to octahedral holes in hexagonal clos...

    Text Solution

    |

  12. The number of tetrahedral sites per sphere in cpp structure is

    Text Solution

    |

  13. The number of tetrahedral sites per sphere in cpp structure is

    Text Solution

    |

  14. The packing efficiency for a body centred cubic Structure is

    Text Solution

    |

  15. Due to Frenkel defect the density of ionic solid

    Text Solution

    |

  16. An ionic compound AxBy occurs in fcc type crystal strucutre with B ion...

    Text Solution

    |

  17. % packing efficiency of FCC crystal is ?

    Text Solution

    |

  18. In crystalline solid few of the cations moved from their positions int...

    Text Solution

    |

  19. Semicoductors are manufactured by addition of impurities of

    Text Solution

    |

  20. p-type semi conductor is formed when trace amount of impurity is added...

    Text Solution

    |