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Which statement best describes the relative electric charges of a proton, a neutron and an electron?.
- A.A proton carries a positive charge, a neutron is neutral, and an electron carries a negative charge.
- B.A proton carries a negative charge, a neutron is neutral, and an electron carries a positive charge.
- C.A proton is neutral, a neutron carries a positive charge, and an electron carries a negative charge.
- D.All three particles carry the same magnitude of charge but opposite signs.
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