Question

question 8
the atomic number (z) represents the number of _.
neutrons
protons
ions
positrons

Explanation:

The atomic number (Z) of an element is defined as the number of protons in the nucleus of an atom. Neutrons contribute to the mass number (A = Z + number of neutrons). Ions are atoms that have gained or lost electrons. Positrons are positively - charged electrons (antiparticles of electrons) and are not related to the atomic number.

Answer:

protons