Home
Class 12
CHEMISTRY
Number of electron in an atom having n=4...

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

A

16

B

8

C

32

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
Number of electron in `n=4.2xx4^(2)=32`
Half of these i.e 16 have `m_(s)=-1//2`
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 in an atom can have n=3,l=2,m=-1?

The number of 2 p electrons having spin quantum number S = -1//2 are

The quantum numbers for the valence electron of an atom are n=3,l=0,m=0, s=+1//2 The element is

How many electrons in an atom with atomic number 104 can have ( n +1) = 8 ?

The maximum number of 3d-electrons having spin quantum number s=+1//2 is

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

Suppose a pure Si crystal has 5 xx 10^(28) atoms m^(-3) . It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that n_(i) = 1.5 xx 10^(16) m^(-3) .

MODERN PUBLICATION-STRUCTURE OF ATOM-MULTIPLE CHOICE QUESTIONS (LEVEL II)
  1. Two particles A and B are in motion. If the wavelength associated with...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. The wave number of first line of Balmer series of H-atom is 15200cm^(...

    Text Solution

    |

  8. An electron of a velocity x is found to have a certain wavelength.The ...

    Text Solution

    |

  9. The total spin resulting from a d^(7) configuration is

    Text Solution

    |

  10. The deBroglie wavelength of an electron travelling at 1% of the speed ...

    Text Solution

    |

  11. The ground state electronic configuration of the element which is isoe...

    Text Solution

    |

  12. If radius of Bohr first orbit is x, then de Broglie wavelength of elec...

    Text Solution

    |

  13. According to Bohr's theory, the angular momentum for an electron of 5t...

    Text Solution

    |

  14. Which of the following has electronic configuration in violation to Au...

    Text Solution

    |

  15. Uncertainty in the position of an electron (mass =9.1xx10^(-31)kg) mo...

    Text Solution

    |

  16. Energy of the electron in hydrogen atom is 1.5 timesas much ass the mi...

    Text Solution

    |

  17. If moving wih equal speed,the longest wavelength of the following matt...

    Text Solution

    |

  18. The orbital angular momentum of an electron in 2s orbital

    Text Solution

    |

  19. For an electron having s=1//2, the spin anglar momentum is

    Text Solution

    |

  20. For a particular value of azimuthal quantum number (l), the total numb...

    Text Solution

    |