In the equation ${ }_{13}^{27} Al +{ }_2^4 He \longrightarrow{ }_{15}^{30} P + X ,$ The correct symbol for $X$ is
In the equation ${ }_{13}^{27} Al +{ }_2^4 He \longrightarrow{ }_{15}^{30} P + X ,$ The correct symbol for $X$ is
- A
${ }_{-1}^0 e$
- B
${ }_1^1 H$
- C
${ }_2^4 He$
- D
${ }_0^1 n$
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