Proton: Has a relative charge of +1, Charged particle found in the middle of the atom, Has a relative mass of 1 and is charged, This particle determines what element you have, Neutron: Has a charge of 0, Uncharged particle found in the middle of the atom, Has a relative mass of 1 and has no charge, Electron: Has a relative charge of -1, Charged particle found in orbits around the outside of the atom , Has a relative mass of 0.0005 (tiny), Is transferred when objects are rubbed together, If a object gains these it becomes negative, If an object loses these it becomes positive,

The Atom

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