Question detail

Which of the following correctly represents beta decay in a nuclear equation?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Atoms and nuclear radiation

Question

X -> Y + e-

In beta decay, a neutron in the nucleus is converted into a proton and an electron (beta particle) is emitted, represented as X -> Y + e-.

Misunderstanding Beta Decay Representation

Students often confuse the representation of beta decay with that of alpha decay, incorrectly including mass changes.

Remember that beta decay does not change the mass number; only the atomic number increases by one. Focus on the correct nuclear equation format.

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