is the neutron the subatomic particle that determines chemical properties of a atom
Compare subatomic particles by Particle type: Î¿ the atom is composed of subatomic particles (protons, neutrons, and electrons) that affect the properties of an atom. Particle mass: Î¿ protons and neutrons have about the same mass.ompare subatomic particles by Particle type: Î¿ the atom is composed of subatomic particles (protons, neutrons, and electrons) that affect the properties of an atom. Particle mass: Î¿ protons and neutrons have about the same mass.