What subatomic particle has the least mass?

Answer

There are three types of subatomic particles. Protons and neutrons are found in the nucleus and have the greatest mass. Electrons are found orbiting the nucleus and have the least mass.
Q&A Related to "What subatomic particle has the least mass?"
electron. No, wrong. The. electron neutrino. has the least nonzero mass, it is so small the exact value has not been determined. The. photon. and. graviton. both have zero mass.
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The electron is the least massive of the three particles. The
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an electron
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gamma rays and x rays are photons and have no mass. the beta particle is an electron; neutrinos have exceedingly low mass. an alpha particle has two protons and two neutrons and is
http://answers.yahoo.com/question/index?qid=201101...
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