Which one of the following statements is correct?

  • A
    The mass of the nucleus must be less than the sum of the masses of the constituent neutrons and protons.
  • B
    The mass of the nucleus must be equal to the sum of the masses of the constituent neutrons and protons.
  • C
    The mass of the nucleus must be greater than the sum of the masses of the constituent neutrons and protons.
  • D
    The mass of the nucleus must be equal to only the masses of the constituent neutrons or protons.

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