Home
Class 11
CHEMISTRY
In absence of Pauli exclusion principle ...

In absence of Pauli exclusion principle , the elecrronic configureation of Li in ground state may be:

A

` 1s^2, 2s^1`

B

`1s^3`

C

`1s^1 , 2s^2`

D

` 1s^2, 2s^1 2p^1`

Text Solution

Verified by Experts

The correct Answer is:
B
All the three electrons are to be kept in `1s`.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise 3B|19 Videos

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise 4|39 Videos

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise|19 Videos

  • CHEMICAL BONDING

    P BAHADUR|Exercise Exercise 7|11 Videos

Similar Questions

Explore conceptually related problems

Electronic configuration of ._(29)Cu in ground state is :

The electronic configuration of silver atom in ground state is.

Pauli exclusion principle states that

Pauli's exclusion principle states that

the pauli exclusion principle states that :

The configuration of chromium atom in ground state is

Pauli's exculsion principle states that :

State and explain Pauli's exclusion principle. Write the electronic configuration of the element with atomic number 24.

The ground state electronic configuration of platinum is

Which of the following is the electronic configuration of nitrogen atom in ground state?

P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
  1. A boll of mass 200 g is moving with a velocity of 10 m sec^(-1) . If ...

    Text Solution

    |

  2. p-orbitals fo an atom in presence fo magnetic field are :

    Text Solution

    |

  3. In absence of Pauli exclusion principle , the elecrronic configureatio...

    Text Solution

    |

  4. Heavy water molecule made from 1H^3 and 8O^(18) has an mol . Wt . Of...

    Text Solution

    |

  5. The possible form of H2 molecule on the basis fo three isotopes can b...

    Text Solution

    |

  6. H has two natural isotopes fo 1 H^1 and (O) has two isotopes O^(16) a...

    Text Solution

    |

  7. Select the one :

    Text Solution

    |

  8. The angular momentum of an electron in 2p-orbital is :

    Text Solution

    |

  9. The ratio of the enrgy of the electron in groun state of hydrogen to t...

    Text Solution

    |

  10. The number of d-electrons in Fe^(2+) (Z= 26 ) is not equal to that o...

    Text Solution

    |

  11. Magentic moment of Fe^(a+)(Z= 26 ) is sqrt 24 BM. Hence muber of unpai...

    Text Solution

    |

  12. The radial distributio curve of 2s sublevel consists of x nodes x is ...

    Text Solution

    |

  13. Magnetic moment of V(Z = 23),Cr(Z = 24),and Mn(Z= 25) are x,y,z repe...

    Text Solution

    |

  14. If the uncertainties in the measurement of position and momentum ...

    Text Solution

    |

  15. Which of the following ions has the highest magnetic moent ?

    Text Solution

    |

  16. If the shortest wavelength of H-atom in Lyman series is x, then longes...

    Text Solution

    |

  17. Which represents and orbital ?

    Text Solution

    |

  18. If n and l are respectively the rpincipal and azimuthal quantum numbes...

    Text Solution

    |

  19. Assuming the velocity to be same , which sub-atomic particle possesses...

    Text Solution

    |

  20. How many electron in an atom with atomic number 105 can have (n + l)...

    Text Solution

    |