Answer: The correct answer is Option c.
Explanation:
Alpha particle is released when an atom undergoes alpha decay. This particle carries a charge of +2 units and has a mass of 4 units. This is also considered as a helium nucleus.
In the question:
An atom of N-14 is bombarded with alpha particle, so the equation for this reaction follows:
[tex]_7^{14}\textrm{N}+_2^4\alpha \rightarrow _9^{18}\textrm{F}[/tex]
Hence, the correct answer is Option c.
