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

JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Self Evaluation Test - Classification of Elements and Periodicity in Properties

  • question_answer
    The elements with zero electron affinity are

    A) Boron and Carbon

    B) Beryllium and Helium

    C) Lithium and Sodium

    D) Fluorine and Chlorine

    Correct Answer: B

    Solution :

    [b] Fully filled electronic configuration.


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