Charge conservation in beta^- decay requires that:

  1. the nucleus loses a proton
  2. the electron comes from the atom's shell
  3. a neutron becomes a proton and an electron
  4. a proton becomes a neutron
Answer

C) a neutron becomes a proton and an electron

0 = +1 + (−1). SLO P-11-F-07 · Knowledge

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