In a radioactive decay, an element ZXA emits four α-particles, three β-particles and eight gamma photons. The atomic number and mass number of the resulting final nucleus are an element ZXA emits four α-particles In a radioactive decay three β-particles and eight gamma photons. The atomic number and mass number of the resulting final nucleus are June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related