( ( ELECTRON Subatomic ) ( ( particle ( with ( a ( negative charge ) ) ) ) . ) )
(ROOT (S (NP (NNP ELECTRON) (NNP Subatomic)) (VP (VBZ particle) (PP (IN with) (NP (DT a) (JJ negative) (NN charge)))) (. .)))
ELECTRON Subatomic particle with a negative charge.
(ROOT (S (NP (DT A) (NN redox) (NN reaction)) (VP (VBZ rearranges) (NP (NP (DT the) (JJ subatomic) (NNS particles)) (VP (VBN known) (PP (IN as) (NP (NNS electrons)))))) (. .)))