The number of protons in a neutral atom is equal to the _____ of the atom.
A) mass
B) atomic weight
C) atomic number
D) mass number
E) valence electron number

Question

Quizplus · Accepted Answer

Atomic number represents the number of protons in an atom, and it is unique to each element. A neutral atom has the same number of protons and electrons, so the atomic number also represents the number of electrons in a neutral atom.

The Number of Protons in a Neutral Atom Is Equal