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  3. 12th Class
  4. Chemistry
  5. The Solid State / ठोस प्रावस्था

12th Class Chemistry The Solid State / ठोस प्रावस्था

  • question_answer 23)
    A group 14 element is to be converted into n-type semiconductor by doping it with a suitable impurity. To which group should this impurity belong? 

    Answer:

    Group 15 because it has five valence electrons. One electron is left for electrical conductivity. 


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