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  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

Banking Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Classification of Elements and Periodicity in Properties

  • question_answer
    The noble gases are unreactive because

    A)  they react with sodium

    B)  they have a full outer shell of electrons  

    C)  they have a half outer shell of neutrons

    D)  they are too thin

    Correct Answer: B

    Solution :

     Not Available


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