( ( Ion ( ( ( ( An ( atomic particle ) ) ( that ( ( is electrically ) charged ) ) ) , ) ( either ( ( negative or ) positive ) ) ) ) . )
(ROOT (S (VP (VB Ion) (NP (NP (NP (DT An) (JJ atomic) (NN particle)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADVP (RB electrically)) (VP (VBN charged)))))) (, ,) (ADJP (DT either) (JJ negative) (CC or) (JJ positive)))) (. .)))
Ion An atomic particle that is electrically charged, either negative or positive.
(ROOT (S (NP (DT An) (NN ion)) (VP (VBZ is) (NP (NP (DT an) (NN atom) (CC or) (NN group)) (PP (IN of) (NP (NP (VBN bonded) (NNS atoms)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (DT a) (ADJP (JJ positive) (CC or) (JJ negative)) (NN charge))))))))) (. .)))