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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 with configuration \[1{{s}^{2}},\,2{{s}^{2}}{{p}^{6}},\,3{{s}^{2}}\] would be [CPMT 1986; MP PMT 1993]

    A) A metal

    B) A non-metal

    C) An inert gas

    D) A metalloid

    Correct Answer: A

    Solution :

      The configuration represents on alkaline earth metals.


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