Home
Class 11
CHEMISTRY
Why do alkali metals possess low densiti...

Why do alkali metals possess low densities?

Promotional Banner

Topper's Solved these Questions

  • THE s - BLOCK ELEMENTS

    ICSE|Exercise ESSAY (LONG ANSWER) TYPE QUESTIONS |56 Videos

  • THE s - BLOCK ELEMENTS

    ICSE|Exercise OBJECTIVE (MULTIPLE CHOICE) TYPE QUESITONS (Choose the correct option in the following questions)|57 Videos

  • THE s - BLOCK ELEMENTS

    ICSE|Exercise VERY SHORT ANSWER TYPE QUESTIONS|54 Videos

  • STRUCTURE OF ATOM

    ICSE|Exercise NCERT Textbook Exercises|67 Videos

Similar Questions

Explore conceptually related problems

The alkali metals

The alkali metals

Alkali metals show-

Why do the alkali metals possess minimum and the noble gases maximum ionisation energies in respective periods ?

Why do alkali metals respond to flame test?

Alkali metals act as

Alkali metals salts are

Why do alkali metal tarnishes in air?

Why do alkali metal tarnishes in air?

Why do alkali metals show characteristic colours in a non luminous flame?

ICSE-THE s - BLOCK ELEMENTS-SHORT ANSWER TYPE QUESTIONS
  1. Why is each alkali metal atom largest in its period ?

    Text Solution

    |

  2. Why do ionic radii of alkali metals increase on moving down the group ...

    Text Solution

    |

  3. Why do alkali metals possess low densities?

    Text Solution

    |

  4. How do the ionisation enthalpies of alkali metals vary on moving down ...

    Text Solution

    |

  5. Why are the second ionisation enthalpies of group 1 elements much high...

    Text Solution

    |

  6. 'Each alkali metal is the most electropositive element in its period'....

    Text Solution

    |

  7. Why do alkali metals not show variable oxidation states ?

    Text Solution

    |

  8. Why do alkali metals show characteristic colours in a non luminous fla...

    Text Solution

    |

  9. Sodium readily formsNa^(+)ion but never forms Na^(2+) ion. Explain.

    Text Solution

    |

  10. Why are the alkali metal ions colourless and diamagnetic ?

    Text Solution

    |

  11. What is photoelectric effect? State t he result of photoelectric effec...

    Text Solution

    |

  12. Why are potassium and caesium rather than lithium used in photoelectri...

    Text Solution

    |

  13. Alkali metals are highly reactive elements. Explain, why?

    Text Solution

    |

  14. What happens when alkali metals are exposed to air ?

    Text Solution

    |

  15. Why are alkali metals not kept under water?

    Text Solution

    |

  16. Why are lithium halides partially covalent ? Explain with examples.

    Text Solution

    |

  17. Give a reason for each of the following: Alkali metals are good red...

    Text Solution

    |

  18. Inspite of very high ionisation energy, lithium is the strongest reduc...

    Text Solution

    |

  19. Why are the solutions of alkali metal atoms in liquid ammonia blue col...

    Text Solution

    |

  20. Why does the basic strength of the hydroxides of alkali metals increas...

    Text Solution

    |