Home
Class 12
CHEMISTRY
How many electrons can have the values n...

How many electrons can have the values n=2, l=1,and `s=+1//2` in the configuration
`1s^(2)2s^(2)2p^(3)`?

A

1

B

3

C

5

D

7

Text Solution

Verified by Experts

The correct Answer is:
B
Corresponding to three values of m `(-1,0,+1)`.
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (LEVEL III)|10 Videos

  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|11 Videos

  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|11 Videos

  • STATES OF MATTER

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|12 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|15 Videos

Similar Questions

Explore conceptually related problems

How many electrons can have l=2and n=5?

How many electrons in an atom can have n=3,l=2,m=-1?

Consider the electronic configuration: 1s^(2)2s^(2)2p_(x)^(2) It violates

The oxide of an element whose electronic configuration is 1s^(2)2s^(2)2p^(6)3s^(1) is

The elements A and B have the following electronic configurations : A : 1s^(2)2s^(2)2p^(6)3s^(2)3p^(4) B : 1s^(2)2s^(2)2p^(6)3s^(2)3p^(2) A and B are likely to form a compound of formula :

The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10) represents

Number of electron in an atom having n=4 , m= 1 and m_(s)=-1//2 are

MODERN PUBLICATION-STRUCTURE OF ATOM-MULTIPLE CHOICE QUESTIONS (LEVEL II)
  1. The number of spherical nodes in a 4s-orbital in hydrogen atom is:

    Text Solution

    |

  2. The dipositive meal ion has the outermost configuration 3d^(10)4s^(0)....

    Text Solution

    |

  3. How many electrons can have the values n=2, l=1,and s=+1//2 in the con...

    Text Solution

    |

  4. An electron will have highest energy with which one of the followng se...

    Text Solution

    |

  5. The thresthold frequencey for photoelecric emission of electrons from ...

    Text Solution

    |

  6. Which of the following relates to light as wave motion as well as a st...

    Text Solution

    |

  7. Which of the following has maximum magnetic moment?

    Text Solution

    |

  8. The electronic configuration of molybdenum (Z=42) is

    Text Solution

    |

  9. The total number of unpaired electrons in Rf (Z=104) are

    Text Solution

    |

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

    Text Solution

    |

  11. Light of wavelenght lamda shines oinlametal surface with intensity x ...

    Text Solution

    |

  12. The angular wave function depends upon quantum numbers.

    Text Solution

    |

  13. The kinetic energy of the electron emitted when light of frequency 3.5...

    Text Solution

    |

  14. One unpaired electron in an atom contributes a magnetic moment of 1.1 ...

    Text Solution

    |

  15. Two particles A and B are in motion. If the wavelength associated with...

    Text Solution

    |

  16. If r(1) is the radius of the first orbit of hydrogen atom, then the ra...

    Text Solution

    |

  17. Number of electron in an atom having n=4 , m= 1 and m(s)=-1//2 are

    Text Solution

    |

  18. Which of the following has a maximum number of unpaired electron?

    Text Solution

    |

  19. The ground state configuration of oxygen in OF(2) is

    Text Solution

    |

  20. The outer shell electronic configuration of palladium (Z=46) is

    Text Solution

    |