( ( Ion ( ( An ( ( atom or ) group ) ) ( of ( atoms ( that ( ( ( ( is not ) ( electrically neutral ) ) but ) ( instead ( carries ( a ( ( ( positive or ) negative ) ( electric charge ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Ion) (NP (NP (DT An) (NN atom) (CC or) (NN group)) (PP (IN of) (NP (NP (NNS atoms)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBZ is) (RB not) (ADJP (ADVP (RB electrically)) (JJ neutral))) (CC but) (VP (ADVP (RB instead)) (VBZ carries) (NP (DT a) (ADJP (JJ positive) (CC or) (JJ negative)) (JJ electric) (NN charge)))))))))) (. .)))
Ion An atom or group of atoms that is not electrically neutral but instead carries a positive or negative electric charge.
(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))))))))) (. .)))