Home
Class 11
CHEMISTRY
Which one of the following pairs of atom...

Which one of the following pairs of atoms/ions have identical ground state configurations ?

A

`Li^(+)` and `He^(+)`

B

`Cl^(-)` and Ar

C

Na and K

D

`F^(+)` and Ne

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise Objective exercise - 2B|64 Videos

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise Objective Exercise - 3|40 Videos

  • ATOMIC STRUCTURE

    AAKASH SERIES|Exercise Objective exercise - 1|434 Videos

  • AROMATIC HYDROCARBONS

    AAKASH SERIES|Exercise OBJECTIVE EXERCIES - 3 (RECENT AIPMT/NEET QUESTIONS)|10 Videos

  • CHEMICAL BONDING

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3 (RECENT AIPMT/NEET QUESTIONS )|39 Videos

Similar Questions

Explore conceptually related problems

Which of the following pair of atoms/atom, ions having identical ground state configuration

Which of the following pairs of functions is/are identical ?

Which of the following pairs of ions are colourless?

Which one of the following pairs of species have the same bond order?

Which one of the following pairs of ions have the same electron configuration

Which one of the following pairs of ions have the same electronic configuration

AAKASH SERIES-ATOMIC STRUCTURE-Objective Exericse - 2A
  1. The incorrect electronic arrangment is

    Text Solution

    |

  2. Given this set of quantum numbers for a multi electron atom 2, 0, 0, a...

    Text Solution

    |

  3. Which one of the following pairs of atoms/ions have identical ground s...

    Text Solution

    |

  4. How many 'd' electrons are present in Cr^(2+) ion?

    Text Solution

    |

  5. The atomic nụmber of the element with the maximum number of unpaired 2...

    Text Solution

    |

  6. The total number of electrons present in all the 's' orbitals, all the...

    Text Solution

    |

  7. Which atom has as many 's' electrons as P-electrons

    Text Solution

    |

  8. An element has 2 electrons in its K-shell. 8 electrons in L-shell, 13 ...

    Text Solution

    |

  9. The electronic configuration 1s^(2)2s^(2)2p^(6)3s^(1)3p^(3)3d^(2) repr...

    Text Solution

    |

  10. The atomic number of an element M is 20. How many electrons are presen...

    Text Solution

    |

  11. Consider the ground state of Cr atom (Z = 24). The numbers of electron...

    Text Solution

    |

  12. Which is the first element to have 4d-electron in its electronic confi...

    Text Solution

    |

  13. In the ground state, an element has 13 electrons in its "M - shell". T...

    Text Solution

    |

  14. (A) : The electronic configuration of Cr is [Ar]3d^(5)4s^(1) but not [...

    Text Solution

    |

  15. The electrons identified by quantum number n and l are (I) n = 1, l ...

    Text Solution

    |

  16. (A) : Fe^(3+) (g) is more stable than Fe^(2+) (g). (R) : Fe^(3+) (g)...

    Text Solution

    |

  17. In which of the following Aufbau principle is violated?

    Text Solution

    |

  18. Which of the following electronic configuration is not possible?

    Text Solution

    |

  19. The configuration 1s^(2)2s^(2)2p^(5)3s^(1) shows

    Text Solution

    |

  20. Which of the following has maximum unpaired d-electrons?

    Text Solution

    |