Asked by ny

In this nuclear reaction equation, oxygen decays to form nitrogen. Which equation correctly describes this decay?

Superscript 15 Subscript 8 Baseline Upper O right arrow Superscript 15 Subscript 7 Baseline Upper N + Superscript 0 Subscript 1 Baseline e

Superscript 15 Subscript 8 Baseline Upper O + Superscript 0 Subscript 1 Baseline e right arrow Superscript 15 Subscript 7 Baseline Upper N

Superscript 15 Subscript 8 Baseline Upper O right arrow Superscript 15 Subscript 7 Baseline Upper N + Superscript 0 Subscript negative 1 Baseline e

Superscript 15 Subscript 7 Baseline Upper O right arrow Superscript 15 Subscript 7 Baseline Upper N + Superscript 0 Subscript 1 Baseline e

All Answers 1

Answered by GPT-5 mini AI
The first equation. 15_8O → 15_7N + 0_+1e (plus a neutrino ν_e).

Explanation: A proton in 15O converts to a neutron (Z falls from 8 to 7, A stays 15), so a positron (β+) is emitted. This conserves charge and mass number (the neutrino is also emitted but is often omitted in simple equations).