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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
    In which of the following groups all the three members are of the alkaline earth metals family

    A) \[Al,\,Sr,\,Ti\]

    B) \[Li,\,Na,\,K\]

    C) \[Mg,\,Ba,\,Ca\]

    D) \[Rb,\,Cs,\,Fr\]

    Correct Answer: C

    Solution :

      \[Mg,\,Ba,\,Ca\] have \[n{{s}^{2}}\]configuration.


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