Atom consist of Protons, Electrons, Neutrons., The nucleus contains the Protons and the neutrons., The protons have a positive(+) charge., Neutrons have a (-) charge., Protons and neutrons in the nucleus of an atom is called nucleons., The outermost regions of the atom contains (-) charged electrons., Electrons revolve around the nucleus of the atom in fixed paths called orbits.

sub atomic particles

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