2. Sample Papers
  3. 12th Class
  4. Chemistry

12th Class Chemistry Sample Paper Chemistry Olympiad Sample Paper-5

  • question_answer
    Na and Mg crystallize in bcc and fee type crystals respectively, then the number of atoms of Na and Mg present in the unit cell of their respective crystals is

    A)  4 and 2           

    B)  9 and 14      

    C)  14 and 9          

    D)  2 and 4

    Correct Answer: D

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