Multiple choice Atomic number of an element gives _____. the number of electrons in its atom the number of nucleons in its atom the weight of the atom of the element the total number of elementary particles in its atom Reveal answer Fill a bubble to check yourself A Correct answer Explanation The atomic number equals the number of protons in the nucleus, which in a neutral atom is also the number of electrons. It does not represent nucleons (protons + neutrons), atomic weight, or total particles.