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It really depends what particle you are comparing it to. Compared with the neutron and proton:

The electron has a much smaller mass - roughly 2000 times smaller than the neutron or proton.

As far as we know, the electron is a truly elementary particle. Protons and neutrons are made up of smaller particles (the quarks).

The electron has a negative charge, the proton a positive charge, and the neutron is electrically neutral.

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11y ago

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