Home
Class 11
CHEMISTRY
Which alkali metal and alkaline earth me...

Which alkali metal and alkaline earth metal are radioactive? Give their atomic numbers also.

Text Solution

Verified by Experts

Fr , Z = 87 and Ra , Z = 88.
Promotional Banner

Topper's Solved these Questions

  • S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS)

    PRADEEP|Exercise Additional Questions (Very Short Answer Questions) Group 2 Elements - Alkaline Earth Metals|17 Videos
  • S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS)

    PRADEEP|Exercise Additional Questions Short Answer Questions (Group 1 Elements - Alkali Metals)|26 Videos
  • S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS)

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS , HINTS AND SOLUTIONS (Long Answer Questions)|9 Videos
  • REDOX REACTIONS

    PRADEEP|Exercise Assertion reason type question|16 Videos
  • SOLID STATE

    PRADEEP|Exercise Advanced problems|19 Videos

Similar Questions

Explore conceptually related problems

Property of the alkaline earth metals that increases with their atomic number is

Property of the alkaline earth metals that increases with their atomic number

Name one alkali metal and one alkaline earth metal each starting with the letter 'S'

Which alkali metal is radioactive in nature?

PRADEEP-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS) -Additional Questions (Very Short Answer Questions) Group 1 Elements - Alkali Metals
  1. Why the elements of second row (first short period) show a number of d...

    Text Solution

    |

  2. What is diagonal relationship due to ?

    Text Solution

    |

  3. What is the general name for elements of group 1 ?

    Text Solution

    |

  4. Amongst alkali metals , why is lithium regarded as most apt reducing a...

    Text Solution

    |

  5. Name the alkali metals , why is lithium regarded as most apt reducing ...

    Text Solution

    |

  6. What happens when KO(2) reacts with water ? Write the balanced chemica...

    Text Solution

    |

  7. Name the metal which floats on water without any apparent reaction wit...

    Text Solution

    |

  8. Arrange the following in order of the increasing covalent character : ...

    Text Solution

    |

  9. Predict giving reason the outcome of the reaction LiI + KF to

    Text Solution

    |

  10. Name the chief factor responsible for the anomalous behaviour of lithi...

    Text Solution

    |

  11. Name the alkali metals which shows diagonal relationship with magnesiu...

    Text Solution

    |

  12. Give one important ore of each of sodium and potassium .

    Text Solution

    |

  13. Alkali and alkaline earth metals cannot be obtained by chemical reduct...

    Text Solution

    |

  14. Why cannot sodium and potassium be prepared by the electrolysis of the...

    Text Solution

    |

  15. What are the raw materials needed for the manufacture of washing soda ...

    Text Solution

    |

  16. Which alkali metal and alkaline earth metal are radioactive? Give thei...

    Text Solution

    |