( ( ( The ( positive charge ) ) ( of ( ( ( the proton ) and ) ( ( the ( negative charge ) ) ( of ( the electron ) ) ) ) ) ) ( ( ( ( ( neutralize ( each other ) ) and ) ( , ( therefore , ) ) ) ( ( give ( the atom ) ) ( an ( ( electrically neutral ) charge ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ positive) (NN charge)) (PP (IN of) (NP (NP (DT the) (NN proton)) (CC and) (NP (NP (DT the) (JJ negative) (NN charge)) (PP (IN of) (NP (DT the) (NN electron))))))) (VP (VP (VB neutralize) (NP (DT each) (JJ other))) (CC and) (PRN (, ,) (ADVP (RB therefore)) (, ,)) (VP (VB give) (NP (DT the) (NN atom)) (NP (DT an) (ADJP (ADVP (RB electrically)) (JJ neutral)) (NN charge)))) (. .)))
The positive charge of the proton and the negative charge of the electron neutralize each other and, therefore, give the atom an electrically neutral charge.
(ROOT (S (NP (NNS Atoms)) (VP (VBP carry) (NP (DT a) (JJ neutral) (NN charge))) (. .)))