What Are The 2 Heaviest Subatomic Particles?

What Are The 2 Heaviest Subatomic Particles? Electrons are negatively charged and are the heaviest subatomic particle. Protons are positively charged and the lightest subatomic particle. Neutrons have no charge and are the lightest subatomic particle. The mass of a neutron nearly equals the mass of a proton. Which subatomic particles are heavy? Protons are