What charge do the following particles have: protons, neutrons, and electrons?

Proton is a positively charged particle that has a charge equivalent. 1.6×10-19C

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Neutron is a neutral-charged particle, i.e. zero charge.

Electrons are negatively charged particle with a charge equivalent to -1.6×10-19C

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The majority of an atom’s mass is made up of protons and neutrons. In quantized energy shells, electrons revolve around the positively charged nucleus.