Answer
Boron: $_{5}^{10}B$, $_{5}^{11}B$
Carbon: $_{6}^{12}C$, $_{6}^{13}C$
Nitrogen: $_{7}^{14}N$, $_{7}^{15}N$
Oxygen: $_{8}^{16}N$, $_{8}^{17}N$, $_{8}^{18}N$
Fluorine: $_{9}^{19}F$
Work Step by Step
Observe the given diagram and then calculate mass of each isotope using neutrons and protons.