A uranium nucleus (atomic number 92, mass number 231) emits an alpha particle and the resultant nucleus emits a beta particle. What are the atomic and mass numbers of the final nucleus? A uranium nucleus (atomic number 92 mass number 231) emits an alpha particle and the resultant nucleus emits a beta particle. What are the atomic and mass numbers of the final nucleus? October 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related