A nucleus `._ZX^A` emits `9 alpha-`particles and `5p` particle. The ratio of total protons and neutrons in the final nucleus is.

A nucleus ._(Z)X^(A) emits 2 alpha - particles and 3 beta - particles. The ratio of total protons and neutrons in the final nucleus is :

A radioactive nucleus ._(Z) X^(A) emite 3 alpha- particles and 5 beta - particles . The ratio of number of neutrons to that of protons in the producet nucleus will be :

A radioactive nucleus (initial mass number A and atomic number Z) emits 3alpha -particles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be

A radiaoactive nucleus (initial mass number A and atomic number Z emits 3 alpha - particles and 2 positrons The ratio of number of neutrons to that of proton in the final nucleus will be

A radiaoactive nucleus (initial mass number A and atomic number Z emits 3 alpha - particles and 2 positrons The ratio of number of neutrons to that of proton in the final nucleus will be

A radioactive nucleus with Z protons and N neutrons emits an alpha- particle, 2 beta- particle and 2 gamma rays. The number of protons and neutrons in the nucleus left after the decay respectively, are

A nucleus ._n^ m X emits one alpha- particle and two beta- particles. The resulting nucleus is