Home
Class 12
CHEMISTRY
Which alkali metal is radioactive in nat...

Which alkali metal is radioactive in nature?

Text Solution

Verified by Experts

Francium.
Promotional Banner

Topper's Solved these Questions

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-A)|33 Videos

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-B)|13 Videos

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Illustration|2 Videos

  • THE P-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section-J)|16 Videos

  • THE SOLID STATE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - D) (ASSERTION-REASON TYPE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

The alkali metals

The alkali metals

Tritium is beta- radioactive in nature.

Alkali metals contain

a. Which alkali metal is used as a coolent in nuclear reactor ?

Alkali metals act as

Give the name of the alkali metal which is radioactive.

Why are alkali metals not found in nature?

.Which of the alkali metal is having least melting point?

.Which of the alkali metal is having least melting point?

AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. Write the names of alkaline earth metals in increasing order of atomic...

    Text Solution

    |

  2. The elements of group 2 are called alkaline earth metals. Give reason.

    Text Solution

    |

  3. Which alkali metal is radioactive in nature?

    Text Solution

    |

  4. Write two reasons behind the anomalous behaviour of first element of e...

    Text Solution

    |

  5. Beryllium shows diagonal relationship with aluminium. Which of the fol...

    Text Solution

    |

  6. Write the reason behind the digonal relationship among element.

    Text Solution

    |

  7. Which of the following is the correct electronic configuration of pota...

    Text Solution

    |

  8. Explain the trend in atomic radii on moving down a group, with referen...

    Text Solution

    |

  9. Which one of the following alkali metals gives hydrated salts?

    Text Solution

    |

  10. Why does the ionisation energy decrease on going down a group?

    Text Solution

    |

  11. Among potassium and sodium which one is lighter metal?

    Text Solution

    |

  12. What colour is imparted by Rubidium in flame test?

    Text Solution

    |

  13. Which alkali metal do not show photoelectric effect?

    Text Solution

    |

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

    Text Solution

    |

  15. What do metal oxides form when they react with water?

    Text Solution

    |

  16. K, Rb and Cs form mainly superoxides.

    Text Solution

    |

  17. Which compound is formed when lithium reacts directly with nitrogen in...

    Text Solution

    |

  18. What is electrode potential?

    Text Solution

    |

  19. If an element has more negative value of electrode potential, then wha...

    Text Solution

    |

  20. Apart from water, alkali metals react with which kind of compounds?

    Text Solution

    |