It Is Often Possible to Use Atomic Masses When Calculating

question 38

Multiple Choice

It is often possible to use atomic masses when calculating the binding energy of a nucleus. This is not true for calculating the Q value for the e⁺ decay process since

• A) the electron masses do not cancel.
• B) a positron is an antiparticle.
• C) the electron masses cancel.
• D) the mass of a positron cannot be neglected when compared to the mass of a nucleus.
• E) none of the above.

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