write the mass and charge of subatomic particles
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Most of an atom's mass is in the nucleus—a small, dense area at the center of every atom, composed of nucleons. Nucleons include protons and neutrons. ... Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.
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Most of an atom's mass is in the nucleus a small, dense area at the center of every atom, composed of nucleons.
All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.
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