4 ms·

https://en.m.wikipedia.org/wiki/Alpha_particle https://en.m.wikipedia.org/wiki/Alpha_particle well ...

• hn_throwaway_99 4y ago
  I don't understand your "well..." Yes, exactly my point, alpha particles are helium nuclei, so I'm assuming that's what the author meant and simply made a mistake highlighting the beta decay of uranium instead of the alpha particles it emits.
  • fock 4y ago
    where exactly does the electron catch the proton?