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  5. Atoms and Molecules

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

  • question_answer
    The number of atoms of oxygen present in 24 g of oxygen gas is:

    A) \[5.2\times {{10}^{23}}\] atoms           

    B) \[9.03\times {{10}^{23}}\]atoms

    C) \[5.8\times {{10}^{24}}\] atoms           

    D) \[9.4\times {{10}^{24}}\]atoms

    E) None of these

    Correct Answer: B

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