Home
Class 12
CHEMISTRY
Kr nulceus has a ..... radius than that ...

Kr nulceus has a ..... radius than that of Ba.

A

Lesser

B

Greater

C

Same

D

None of the these

Text Solution

Verified by Experts

The correct Answer is:
A
Kr nucleus has less radius than that of Ba because atomic radius decreases on moving from left to right in a period.
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY IN EVERYDAY LIFE

    SIA PUBLICATION|Exercise MCQs|36 Videos

  • d AND f BLOCK ELEMENTS

    SIA PUBLICATION|Exercise MCQ"s|53 Videos

Similar Questions

Explore conceptually related problems

Why a nucleus has mass less than the sum of the masses of the individual nucleons in it.

Explain why atomic radius of Ga is less than that of Al.

A1^(3+) ion has a lower ionic radius than Mg^(2+) ion because

Radius of cation is less than that of parental atom, but radius of anion is greater than that of parental atom. Explain.

The atomic radius of gallium is less than that of aluminium why?

(A) : Nitrogen has higher ionization energy than that of oxygen. (R ) : Nitrogen atom has smaller atomic size than that of oxygen.

Explain why propanol has higher boiling point than that of the hydrocarbon-butane.

Explain why propanol has higher boiling point than that of the hydrocarbon, butane?

SIA PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODIC PROPORTIES-MCQ
  1. O^(2-) and Si^(4+)are isoelectronic ions. If the ionic radius of O^(2-...

    Text Solution

    |

  2. Which of the following species has the highest ionisation potential?

    Text Solution

    |

  3. As per the Modern periodic law, the physical and chemical properties o...

    Text Solution

    |

  4. Which one of the following elements has the highest first ionisation p...

    Text Solution

    |

  5. Of the following the one with largest size is

    Text Solution

    |

  6. The pair of elements that have similar chemical properties are

    Text Solution

    |

  7. The order of decrease in atomic radii for Be, Na and Mg is

    Text Solution

    |

  8. The name of the element with atomic number 100 was adopted in honour o...

    Text Solution

    |

  9. Which one of the following would you expect to have highest electroneg...

    Text Solution

    |

  10. Which one of the following is the largest ion?

    Text Solution

    |

  11. The element that has the lowest first ionisation potential is

    Text Solution

    |

  12. Which of the following electronic configuration corresponds to an iner...

    Text Solution

    |

  13. The halogen with the highest ionisation potential is

    Text Solution

    |

  14. In the long form of Periodic Table, the elements having lowest ionisat...

    Text Solution

    |

  15. A1^(3+) ion has a lower ionic radius than Mg^(2+) ion because

    Text Solution

    |

  16. The most electronegative element is

    Text Solution

    |

  17. Ionisation potential of Is electron is ... than that of 2s electron in...

    Text Solution

    |

  18. Kr nulceus has a ..... radius than that of Ba.

    Text Solution

    |

  19. EN of an atom is given by the average of EA and......

    Text Solution

    |

  20. Among the alkali metals, the metal with the highest ionisation potenti...

    Text Solution

    |