Home
Class 12
CHEMISTRY
The number of electrons in the highest p...

The number of electrons in the highest principal energy level for an element(Z=26) is

A

8

B

6

C

2

D

16

Text Solution

Verified by Experts

The correct Answer is:
C
The configuration is `[Ar]3d^(5)4s^(2).` No of electrosn in n=4 is 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

The number of electrons in the outermost shell in the atom of an inert element is

The valency of representative elements is given by the number of electrons in the outermost orbital and/or equal to …………. Minus the number of outermost electrons.

Number of electrons in the nucleus of an element of atomic number 14 is

The elements with highest ionisation enthalpy is:

The maximum number of electrons theoritically possible for seventh principal shell is

The number of unpaired electrons in Cu^(+) (Z=29) is

The number of valence electrons present in the 12th element of any period is

MODERN PUBLICATION-STRUCTURE OF ATOM-MULTIPLE CHOICE QUESTIONS (LEVEL II)
  1. The quantum numbers for the valence electron of an atom are n=3,l=0,...

    Text Solution

    |

  2. The splitting of the spectral lines under the influence of magnetic fi...

    Text Solution

    |

  3. The number of electrons in the highest principal energy level for an e...

    Text Solution

    |

  4. Which of the following is not characteristic of X-rays?

    Text Solution

    |

  5. The ground state electronic configuration ofFe^(3+) (g) ion is:

    Text Solution

    |

  6. The number of spherical nodes in a 4s-orbital in hydrogen atom is:

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. Which of the following has maximum magnetic moment?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. The angular wave function depends upon quantum numbers.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |