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

  • question_answer
    Fill in the blanks by selecting the option with correct sequence of words.
    The symbolic representation of a molecule showing actual number of various atoms present in it is called its ___X___ formula. The number of atoms of all elements present in a molecule is known as its ___Y___ .
    ___Z___ formula gives the simplest ratio of atoms present in one molecule of the compound.
     

    A)
    X Y Z
    Chemical Valency Molecular
     

    B)
    X Y Z
    Molecular Valency Chemical

    C)
    X Y Z
    Empirical Atomicity Molecular

    D)
    X Y Z
    Molecular Atomicity Empirical
     

    Correct Answer: D


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