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

  • question_answer
    The atomic mass of oxygen is 16 and the molecular mass of ozone is 48. What is the atomicity of ozone, if it is an allotrope of oxygen?

    A) 1                                 

    B) 2         

    C) 3                     

    D)        4

    Correct Answer: C

    Solution :

    Atomicity of oxygen = \[\frac{\text{molecular mass of ozone}}{\text{Atomic mass of oxygen}}=\frac{48}{16}=3\]


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