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 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