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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 Sample Paper Topic Test - Periodic Table

  • question_answer
    The \[I{{P}_{1}},\,\,I{{P}_{2}},\,\,I{{P}_{3}},\,\,I{{P}_{4}}\] and \[I{{P}_{5}}\] of an element are 7.1, 14.3, 34.5, 46.8, 162.2eV respectively. The element is likely to be

    A) Na

    B) Si     

    C) F 

    D) Ca

    Correct Answer: B

    Solution :

    [b] The jump in IP values exist in \[I{{P}_{5}}\] and thus removal of fifth electron occurs from inner shell. Thus element contains four electrons in its valences shell.


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