question_answer

Which of the following particle is emitted in the reaction \[_{13}A{{l}^{27}}{{+}_{2}}H{{e}^{4}}{{\to }_{14}}{{P}^{30}}+.....\]                [DCE 1999]

A)                 \[_{0}{{n}^{1}}\]              

B)                 \[_{-1}{{e}^{0}}\]

C)                 \[_{1}{{H}^{1}}\]             

D)                 \[_{1}{{H}^{2}}\]