SeijiG492220 SeijiG492220
  • 29-10-2022
  • Chemistry
contestada

When the mass number decreases by 4, ______ emission has occurred. negative beta positive beta gamma alpha

Respuesta :

RawlinsE679587 RawlinsE679587
  • 29-10-2022

Alpha particles have a mass number of 4 and 2 protones, which means the given decrease belongs to alpha emssion because that's the mass number of an alpha particle.

Therefore, the answer is alpha.

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