Protons carry a positive charge (+), and electrons carry a negative charge (-). ... Electrically neutral particles (neutrons) in the nucleus add to its mass but do not affect the number of electrons and so have almost no effect on the atom's links to other atoms (its chemical behavior).
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Answer:
Protons carry a positive charge (+), and electrons carry a negative charge (-). ... Electrically neutral particles (neutrons) in the nucleus add to its mass but do not affect the number of electrons and so have almost no effect on the atom's links to other atoms (its chemical behavior).
(I don't that is the sure answer but I hope it would help.)