The "Atomic Number" of an Atom is Determined by the Number

Question

The "atomic number" of an atom is determined by the number of ________ it has.
A) electrons
B) protons
C) neutrons
D) protons + neutrons
E) protons + electrons

Accepted Answer

The atomic number of an atom is equal to the number of protons it has in its nucleus. This number determines which element the atom represents.