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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
    An element has the electronic configuration \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},\] \[3{{s}^{2}}3{{p}^{6}}3{{d}^{5}},\,4{{s}^{1}}\]. It is a

    A) s-block element

    B) p-block element

    C) d-block element

    D) Inert gas

    Correct Answer: C

    Solution :

      d-block. As the last \[{{e}^{-}}\] enters in d-subshell.


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