Home
Class 11
CHEMISTRY
The num ber of protons in nucleus of an ...

The num ber of protons in nucleus of an elem ent having maximum unpaired electrons in 2p sub-shell are .............

A

7

B

5

C

14

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
N is the elem ent, having m axim um 3 unpaired electron in its 2p sub-shell
N (He) `2p^(3)` OR [He]

N(Z=7) its has protons =7
electrons =7
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    KUMAR PRAKASHAN|Exercise SECTION -D (MULTIPLE CHOICE QUESTIONS)|55 Videos

  • STRUCTURE OF ATOM

    KUMAR PRAKASHAN|Exercise QUESTINS PAPER FROM MODULE (SECTION -A)|6 Videos

  • STRUCTURE OF ATOM

    KUMAR PRAKASHAN|Exercise Section -C (MCQs asked in Jee NEET AIEEE )|58 Videos

  • STATES OF MATTER

    KUMAR PRAKASHAN|Exercise QUESTION PAPER FROM MODULE (SECTION - A)|4 Videos

  • THE P-BLOCK ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION-D NCERT EXEMPLAR SOLUTION (MCQs) LONG ANSWER|25 Videos

Similar Questions

Explore conceptually related problems

How many electrons can have s+ ½ in a d-sub-shell?

The mass of a nucleus ._(Z)^(A)X is less that the sum of the masses of (A-Z) number of neutrons and Z number of protons in the nucleus.The energy equivalent to the corresponding mass difference is known as the binding energy of the nucleus. A heavy nucleus of mass M can break into two light nuclei of masses m_(1) and m_(2) only if (m_(1)+m_(2)) lt M . Also two light nuclei of masses m_(3) and m_(4) can undergo complete fusion and form a heavy nucleus of mass M'. only if (m_(3)+m_(4)) gt M' . The masses of some neutral atoms are given in the table below: |{:(._(1)^(1)H ,1.007825u , ._(1)^(2)H,2.014102u,._(1)^(3)H,3.016050u,._(2)^(4)He,4.002603u),(._(3)^(6)Li,6.015123u,._(3)^(7)Li,7.016004u,._(30)^(70)Zn,69.925325u, ._(34)^(82)Se,81.916709u),(._(64)^(152)Gd,151.91980u,._(82)^(206)Pb,205.974455u,._(83)^(209)Bi,208.980388u,._(84)^(210)Po,209.982876u):}| Taking kinetic energy ( in KeV ) of the alpha particle, when the nucleus ._(84)^(210)P_(0) at rest undergoes alpha decay, is:

How many maximum number of electrons in 3p orbital have spin quantum number s= +(1)/(2) ?

KUMAR PRAKASHAN-STRUCTURE OF ATOM-Section -C(MCQ asked in Board Exam )
  1. If there are 13 electrons in M shell and 1 electron in N shell th en t...

    Text Solution

    |

  2. Which element of the following not possesses half filled valence shell...

    Text Solution

    |

  3. The num ber of protons in nucleus of an elem ent having maximum unpair...

    Text Solution

    |

  4. How m any orbitals are a sso cia ted w ith n = 4 ?

    Text Solution

    |

  5. What is wavelength of wave associated with electron whose velocity (v)...

    Text Solution

    |

  6. The product of frequencyof light and wavelength is equal to .....

    Text Solution

    |

  7. Which of the following electronic configuration is n o t possible ?

    Text Solution

    |

  8. Spin m ultiplicity value of oxygen element is

    Text Solution

    |

  9. How m any number of proton, electron and neutron n in .^(55)Mn^(+2) re...

    Text Solution

    |

  10. Which of the following is the correct form ula for one m ole of p h o ...

    Text Solution

    |

  11. The correct electronic configuration of .(29)Cu^(2+) is

    Text Solution

    |

  12. From the following w hich pair is isotone and isobar respectively.

    Text Solution

    |

  13. Which of th e following represents the correct set of four quantum num...

    Text Solution

    |

  14. What are the possible values of I w hen n = 4

    Text Solution

    |

  15. Give num ber of protons, electrons and neutrons respectively in .(16)^...

    Text Solution

    |

  16. According to De-Brogli’s principal, what is the relation between momen...

    Text Solution

    |

  17. Electron configuration of M olybdenum (Z = 42) is .....

    Text Solution

    |

  18. Give actual proportion energy having wavelength of 3000A and 6000A res...

    Text Solution

    |

  19. Identify the possible set of quantum numbers for outer shell electron ...

    Text Solution

    |

  20. In Schrodinger’s wave equation V indicates

    Text Solution

    |