Answer: See Below
Step-by-step explanation:
1. There are 6 protons in a carbon atom (The # of protons is the same as the atomic number).
2. Attached below. Red circles are protons blue are neutrons.
Understand that the number following the C (12,13,14)
refers to the total number of protons and neutrons in the atom. Proton number does not change only neutrons can.