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kaylieway
Electron.

The electrons of an atom, in the electron cloud, are the only subatomic particles that have a negative charge.

The neutron, which is in the nucleus, has no charge, so it is neutral.
The proton, which is also in the nucles, has a positive charge.

I hope this helps you out.
CaptainBeyond
protons have a positive charge, neutrons have zero charge, and electrons have negative charge