2. Questions Bank
  3. 9th Class
  4. Science
  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    What is the atomic mass of oxygen?

    A) 8                                 

    B) 16

    C) 32                    

    D)        64

    E) None of these

    Correct Answer: B

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