JEE Main & Advanced
Physics
Nuclear Physics And Radioactivity
Question Bank
Self Evaluation Test - Nuclei
question_answer
Actinium 231,\[^{231}A{{C}_{89}}\], emit in succession two \[\beta \] particles, four \[\alpha \]-particles, one \[\beta \] and one \[\alpha \] plus several \[\gamma \] rays. What is the resultant isotope?