Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
Isotopes are named for their number of protons plus neutrons. If a carbon atom had 7 neutrons, what would it be named?.


Question: Isotopes are named for their number of ______ plus neutrons?
protons
protons.