ECAT & MDCAT XII PHYSICS : Chapter 19 NUCLEAR PHYSICS(test 1) Leave a Comment / By Afshan JAMAL / July 4, 2026 Welcome to your ECAT & MDCAT XII PHYSICS : Chapter 19 NUCLEAR PHYSICS(test 1) Compared to the parent nucleus, the daughter of a β– decay has the same mass number but a greater atomic number the same mass number but a smaller atomic number a smaller mass number but the same atomic number a greater mass number but the same atomic number None None Previous Start Quiz Next Time's up