If `_92U^236` nucleus emits and `alpha`-particle, the remaining nucleus will have
72 neutrons and 92 protons
144 neutrons and 90 protons
146 neutrons and 45 protons
119 neutrons and 119 protons
If [_92U^236] nucleus emits and [alpha] -particle, the remaining nucleus will have
A.
72 neutrons and 92 protons
B.
144 neutrons and 90 protons
C.
146 neutrons and 45 protons
D.
119 neutrons and 119 protons
how should we find?