A typical atom consists of three subatomic particles: protons, neutrons, and electrons (as seen in the helium atom below). ... Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged.
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A typical atom consists of three subatomic particles: protons, neutrons, and electrons (as seen in the helium atom below). ... Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged.