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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
    Why has the zero group been placed at the extreme right of the periodic table?

    Answer:

                    This is in accordance with their electronic configurations because each period starts with the filling of s-subshell and is completed with the filling of p-subshell of the same principal shell.


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