what is protons??
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proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 × 10−27 kg, which is 1,836 times the mass of an electron. ... When the number of protons in a nucleus equals the number of electrons orbiting the nucleus, the atom is electrically neutral.
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one of the three types of particles that form all atoms. Protons have a positive electric charge.
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