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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 Extended or long form of periodic table

  • question_answer
    The element X, Y, Z and T have the indicated electronic configurations. Starting with the innermost shell, which is the most metallic element [CPMT 1979, 93]

    A) \[X=2,\,8,\,4\]

    B) \[Y=2,\,8,\,8\]

    C) \[Z=2,\,8,\,8,\,1\]

    D) \[T=2,\,8,\,8,\,7\]

    Correct Answer: C

    Solution :

      Z = 2,8,8,1. \[\because \] it would donate \[{{e}^{-}}\] more easily.


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