A) \[\alpha -\]particle
B) \[\beta -\]particle
C) neutron
D) positron
Correct Answer: B
Solution :
By the emission of one P-particle, atomic number is increased by one unit and mass number does not change. \[_{14}^{30}Si{{\xrightarrow{{}}}_{15}}{{P}^{30}}{{+}_{-1}}{{\beta }^{0}}\]
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