Physics for IGCSE & O level - Atoms And Radioactivity (Section 1 - No. 33)
During beta-plus decay, what happens to a proton within the nucleus?
It transforms into a neutron and emits a positron.
It transforms into a neutron and emits an electron.
It transforms into an alpha particle.
It decays into a gamma ray.
Explanation
In beta-plus decay, a proton is converted into a neutron, and a positron is emitted.
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