Home
Class 11
CHEMISTRY
Electron enters the sub-shell for which ...

Electron enters the sub-shell for which (n+l) value is minimum. This is enunciated as

A

Hund’s rule

B

Aufbau principle

C

Heisenberg uncertainty principle

D

Pauli’s exclusion principle

Text Solution

Verified by Experts

The correct Answer is:
B
According to the Aufbau principle electron filling minimum to higher energy level.
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    ERRORLESS|Exercise PAST YEARS QUESTIONS|60 Videos

  • STRUCTURE OF ATOM

    ERRORLESS|Exercise Assertion & Reason|16 Videos

  • STRUCTURE OF ATOM

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Uncertainty Principle and Schrodinger Wave Equation) |13 Videos

  • STATES OF MATTER

    ERRORLESS|Exercise ASSERTION AND REASON|11 Videos

  • THE P-BLOCK ELEMENTS (BORON AND CARBON FAMILY)

    ERRORLESS|Exercise Assertion & Reason|10 Videos

Similar Questions

Explore conceptually related problems

An electrons resdes in a subshell which has 7 number associated with this subshell has minimum possible value find the sum of n and l for this electron.

Explain why : (i) The three electrons present in 2p sub-shell of nitrogen remain unpaired. (ii) In potassium , the 19^(th) electron enters 4s sub-shell instead of 3d sub-shell. (iii) Chromium has configuration 3d^(5)4s^(1) and not 3d^(4)4s^(2) .

The two electrons in K sub-shell will differ in

The sepence of filling electgron in sub-shells of element with few exception in d-block and f-block element is govemed by.Aufhau principal followed by Hand's rule and palli's ecxcited principal a. The electron prefers to unter into sub-shell with lower (n +1) values The energy for any sub-shell of an element other than hydrogen is preportioanal to the sum of principal quantum number (n) and angular momentum quantum number b. If (n + 1) value is same for many sub-shell with lowest n value c. i. Fulfiling sub-shell is more stable ii. Half filled sub-shell is more stable less than half filed Which pair of sub-shell has same energy for above described excriptional element under rule (a) ?

The sepence of filling electgron in sub-shells of element with few exception in d-block and f-block element is govemed by.Aufhau principal followed by Hand's rule and palli's ecxcited principal a. The electron prefers to unter into sub-shell with lower (n +1) values The energy for any sub-shell of an element other than hydrogen is preportioanal to the sum of principal quantum number (n) and angular momentum quantum number b. If (n + 1) value is same for many sub-shell with lowest n value c. i. Fulfiling sub-shell is more stable ii. Half filled sub-shell is more stable less than half filed Which pair of element follow rulke (c ) (ii) ?

The sepence of filling electgron in sub-shells of element with few exception in d-block and f-block element is govemed by.Aufhau principal followed by Hand's rule and palli's ecxcited principal a. The electron prefers to unter into sub-shell with lower (n +1) values The energy for any sub-shell of an element other than hydrogen is preportioanal to the sum of principal quantum number (n) and angular momentum quantum number b. If (n + 1) value is same for many sub-shell with lowest n value c. i. Fulfiling sub-shell is more stable ii. Half filled sub-shell is more stable less than half filed If HUnds rule is not abeyed by some element given below then which atom has maximum magnitic moment

The sepence of filling electgron in sub-shells of element with few exception in d-block and f-block element is govemed by.Aufhau principal followed by Hand's rule and palli's ecxcited principal a. The electron prefers to unter into sub-shell with lower (n +1) values The energy for any sub-shell of an element other than hydrogen is preportioanal to the sum of principal quantum number (n) and angular momentum quantum number b. If (n + 1) value is same for many sub-shell with lowest n value c. i. Fulfiling sub-shell is more stable ii. Half filled sub-shell is more stable less than half filed Which element with lowest atomic number follows rule (b)?

The sepence of filling electgron in sub-shells of element with few exception in d-block and f-block element is govemed by.Aufhau principal followed by Hand's rule and palli's ecxcited principal a. The electron prefers to unter into sub-shell with lower (n +1) values The energy for any sub-shell of an element other than hydrogen is preportioanal to the sum of principal quantum number (n) and angular momentum quantum number b. If (n + 1) value is same for many sub-shell with lowest n value c. i. Fulfiling sub-shell is more stable ii. Half filled sub-shell is more stable less than half filed In which element (c )(i) is folowed ?

The designation of a sub-shell with n=4 and l=3 is

ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Quantum Number, Electronic Configuration and Shape of Orbitals)
  1. Pairing of electron in an degenerate orbitals takes place only when th...

    Text Solution

    |

  2. Which of the following sequence is correct as per Aufbau principle ?

    Text Solution

    |

  3. Electron enters the sub-shell for which (n+l) value is minimum. This i...

    Text Solution

    |

  4. Following Hund's rule which element contains six unpaired electron

    Text Solution

    |

  5. The orbital diagram in which the Aufbau's principle is violated is

    Text Solution

    |

  6. Which of the following principles/limits the maximum number of electro...

    Text Solution

    |

  7. The correct ground state electronic configuration of chromium atom is ...

    Text Solution

    |

  8. An element forms diatomic molecule with a triple bond. The configurati...

    Text Solution

    |

  9. Electronic configuration of deuterium atom is

    Text Solution

    |

  10. Electronic configurations of Cu ( Z = 29) is

    Text Solution

    |

  11. Krypton (At. No 36) has the electronic configuraiton [Ar] 4s^(2)3d^(10...

    Text Solution

    |

  12. Correct configuration of Fe^"+3" [26] is

    Text Solution

    |

  13. What is the electronic configuration of Cu^(2+)(Z=29) of least positio...

    Text Solution

    |

  14. Which one is the ground state

    Text Solution

    |

  15. Which of the following electronic configurations is not possible

    Text Solution

    |

  16. The outer electronic structure of 3s^2 3p^5 is possessed by

    Text Solution

    |

  17. Which of the following electronic configuration is not possible accord...

    Text Solution

    |

  18. Total number of unpaired electrons in an atom of atomic number 29 is

    Text Solution

    |

  19. v41newFlow

    Text Solution

    |

  20. Which of the following ions has the maximum number of unpaired d-elect...

    Text Solution

    |