11th Class Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank 11th CBSE Chemistry Classification of Elements and Periodicity in Properties

  • question_answer
    Hydrogen is regarded as a rogue element in the periodic table. Discuss.

    Answer:

                    Hydrogen is regarded as a rogue element in the periodic table because till today its position is not satisfactory. Although it has been placed on the top of alkali metals on the basis of electronic con-figuration, but it is a non-metal and also resembles halogens of group 17 in many characteristics.


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