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UPSC Chemistry Nuclear Chemistry / नाभिकीय रसायन Question Bank Atoms, Molecules and Nuclear Chemistry

  • question_answer
          The molecular formula \[{{P}_{2}}{{O}_{5}}\] means that

    A) a molecule contains 2 atoms of P and 5 atoms of O

    B) the ratio of the mass of P to the mass of O in the Molecules is 2:5

    C) there are twice as many P atoms in the molecule as there are O atoms

    D) the ratio of the mass of P to the mass of 0 in the molecule is 5 : 2

    Correct Answer: A

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