Content-Type: text/html Wikipedia: Proton

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In particle physics and chemistry, a particle of one unit positive [electric charge]?. The nucleus of the hydrogen atom is made up of a single proton. In other nuclei, which contain neutrons, the particles are really resonances between the two forms. A proton contains two up quarks and one down quark.


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Last edited May 17, 2001 7:54 am (diff)
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