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Answer: Beta plus (\(\beta^+\)) decay is the radioactive decay in which a proton in the nucleus changes into a neutron, emitting a positron and a neutrino.

\[p \rightarrow n + e^+ + \nu \qquad {}^{A}_{Z}X \rightarrow {}^{A}_{Z-1}Y + e^+ + \nu\]

The mass number stays the same and the atomic number decreases by one.

Doubtly AI · 27 Oct 2026 AI-verified · Oct 2026 Report
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