Fluorine-18 Is an Isotope Commonly Used in Radioimaging, Due in Part

Fluorine-18 is an isotope commonly used in radioimaging, due in part to the short half-life (~2 hours) of the isotope. What type of emission process is likely for fluorine-18?

A) ( $\alpha$ emission)
B) ( $\beta$ emission)
C) positron emission
D) ( $\gamma$ emission)
E) X-ray emission