posted by Gina .
The atom number of an element is the same as its.....protons, neutrons, or nucleons?
same at the protons, same as the electrons
Since this is not my area of expertise, I searched Google under the key words "atomic number" to get these possible sources:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.