TS EAMCET 5 May 2018 Shift 2 Solved Paper

Consider the following reaction for the decay of uranium.
92238U→22206U
The mass is reduced by ΔA
ΔA=32
=4×8
Proton number is reduced by ΔZ.
ΔZ=10
=2×8−6
Therefore, 8α particles and 6β− particles must be emitted.