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
    Calculate the number of moles for the 84 g of He.

    A) 42                                

    B) 21

    C) 84                    

    D)        24

    E) None of these

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner