Home
Class 11
CHEMISTRY
which of the following gas does not have...

which of the following gas does not have an octet or eight electrons in the outer shell?

A

Ne

B

Ar

C

Rn

D

He

Text Solution

Verified by Experts

The correct Answer is:
D

He has the atomic number 2 so it does not have octet.
Promotional Banner

Topper's Solved these Questions

  • CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ERRORLESS|Exercise PAST YEARS QUESTIONS|33 Videos
  • CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ERRORLESS|Exercise Assertion & Reason |14 Videos
  • CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Electronegativity)|18 Videos
  • CHEMICAL EQUILIBRIUM

    ERRORLESS|Exercise ASSERTION & REASON |12 Videos
  • ENVIRONMENTAL CHEMISTRY

    ERRORLESS|Exercise ASSERTION & REASON|7 Videos

Similar Questions

Explore conceptually related problems

Which of the following noble gases does not have an octer of electrons in its outermost shell ?

Which of the following does not have a lone pair of electrons

Which of the following does not follow the octet rule ? .

Which of the following does not have abnormal electronic configuration ?

Which of the following pairs of elements have same number of electrons in their outermost shell?

Which of the following compounds does not follow the octet rule?

ERRORLESS-CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -NCERT BASED QUESTIONS (Valency and Oxidation State)
  1. Which of the following elements shows maximum number of different oxid...

    Text Solution

    |

  2. Which of the following element is found in its native state:-

    Text Solution

    |

  3. Which one of the elements with the following outer orbital configurati...

    Text Solution

    |

  4. Acidity of pentoxides in VA group

    Text Solution

    |

  5. Which of the following elements show maximum valency ?

    Text Solution

    |

  6. The correct order of increasing oxidising power

    Text Solution

    |

  7. In any period, the valency of an element with respect to oxygen

    Text Solution

    |

  8. which of the following gas does not have an octet or eight electrons i...

    Text Solution

    |

  9. the pentavalence in phosphorus is more stable as compared to that of n...

    Text Solution

    |

  10. Fluorine is the best oxidising agent because it has

    Text Solution

    |

  11. In the periodic table, the metallic character of elements

    Text Solution

    |

  12. In the periodic table, the basic character of oxides

    Text Solution

    |

  13. Elements A and B with their respective electronic configurations 3d^(...

    Text Solution

    |

  14. The stability of ions of Ge Sn and Pb will be in the order .

    Text Solution

    |

  15. Out of the following elements,which one is the most reactive chemicall...

    Text Solution

    |

  16. Thalium shows different oxidation states because

    Text Solution

    |

  17. The most stable oxidation state of thallium is +1

    Text Solution

    |

  18. An element X which occurs in the second short period has an outer elec...

    Text Solution

    |

  19. Which one of the following orders presents the correct sequence of the...

    Text Solution

    |

  20. Which of the following sequence correctly represents the decreasing ac...

    Text Solution

    |