Home
Class 12
CHEMISTRY
An element has 56 nucleons in nucleus an...

An element has 56 nucleons in nucleus and if it is isotonic with `""_(30)Y^(60)`. Which group and period does it belong to ?

A

`8^(th)` group, `4^(th)` period

B

`14^(th)` group, `3^(rd)` period

C

`12^(th)` group, `3^(rd)` period

D

`12^(th)` group, `4^(th)` period

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    AAKASH INSTITUTE|Exercise Assignment (Section -C)|12 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    AAKASH INSTITUTE|Exercise Assignment (Section -D Linked Compreshension Type Questions)|6 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    AAKASH INSTITUTE|Exercise Assignment (Section -A)|40 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    AAKASH INSTITUTE|Exercise Assignment ( SECTION - A)|45 Videos

  • COORDINATION COMPOUNDS

    AAKASH INSTITUTE|Exercise Assignment (Section-J Aakash Challenger Questions )|10 Videos

Similar Questions

Explore conceptually related problems

To which group does crocodile belong ?

(a) An element X has mass number 40 and contains 21 neutrons in its atom. To which group of the periodic table does it belong? (b) The element X forms a compound X_(2)Y . Suggest an element that Y might be and give reasons for your choice.

The electronic configuration of an element is 2, 8, 5. To which group are period does it belong ?

An element has 12 neutrons in its nucleus. To which group of the periodic table it will belong?

AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -B)
  1. Which among the following elements has the highest value for third ion...

    Text Solution

    |

  2. The screening effect of inner electrons of an atom can cause

    Text Solution

    |

  3. The diagonal similarities are due to similar polarising powers for the...

    Text Solution

    |

  4. Which of the following gradation in the properties is false, as we mov...

    Text Solution

    |

  5. The increasing order of electron affinity values of O,S and Se is

    Text Solution

    |

  6. The element which has highest II^(nd) I.E. ?

    Text Solution

    |

  7. The element which has highest electron affinity ?

    Text Solution

    |

  8. Electronegativity of an element is 1.0 on the Pauling scale. Its value...

    Text Solution

    |

  9. Which of the following element has highest shielding constant ?

    Text Solution

    |

  10. Which one of the following order is correct ?

    Text Solution

    |

  11. Which one of the following oxides has highest acidic character ?

    Text Solution

    |

  12. Electron gain enthalpy will be positive in

    Text Solution

    |

  13. Enthalpy change in the following process is A+ e^(-) to A^(-) Delta H=...

    Text Solution

    |

  14. Uub is the symbol for the element with atomic number-

    Text Solution

    |

  15. An element has electronic configuration [Xe] 4f^(7), 5d^(1),6s^(2). It...

    Text Solution

    |

  16. A sudden large jump between the values of second and third ionisation ...

    Text Solution

    |

  17. An element has 56 nucleons in nucleus and if it is isotonic with ""(30...

    Text Solution

    |

  18. Which of the following processes will release energy equal to ionziati...

    Text Solution

    |

  19. The chemistry of Be is very similar to that of aluminium, because

    Text Solution

    |

  20. The ionisation energy of Li is 500 KJ/mole. The amount of energy requi...

    Text Solution

    |