Question

The atomic number of an atom is always equal to the number of its what ??

Protons, only

Neutrons , only

Protons plus neutrons

Protons plus electrons

Answer 1

The answer is protons and electrons! Hope this helps :D

Answer 2

It’s always equal to the amount of protons. Neutrons are only used for the mass. Electrons change the charge, so they’re not always the same.
TLDR; Protons only