Answer:
Here's what I get
Explanation:
Carbon has 15 isotopes ranging from C-8 to C-22 but only two of them (C-12 and C-13) are stable. C-12 is the more abundant of the two.
Nitrogen has 16 isotopes ranging from N-10 to N-25, but only two of them (N-14 and N-15) are stable. N-14 is the more abundant of the two.
If you are talking about C-12 and N 14, we can say that