Question:
50 A radioactive nucleus X undergoes a decay to form Y Y
Last updated: 6/11/2023
![50 A radioactive nucleus X undergoes a decay to form Y Y](https://media.kunduz.com/media/sug-question-candidate/20210729101654644036-1965043.jpg?h=512)
50 A radioactive nucleus X undergoes a decay to form Y Y undergoes an a decay to form Z Under this transformation A The mass number of Z is higher than the mass number of X by 2 B The mass number of Z is lower than the mass number of X by 2 C The atomic number of Z is higher than the atomic number of X by 1 D The atomic number of Z is lower than the atomic number of X by 1 JENPARH P C 8 6 of 22