( ( Ions ( ( ( An atom ) or ) ( ( a group ) ( of ( atoms ( that ( has ( ( acquired ( a ( net ( electric charge ) ) ) ) ( by ( ( ( gaining or ) losing ) ( ( ( one or ) more ) electrons ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Ions) (NP (NP (DT An) (NN atom)) (CC or) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (NP (NNS atoms)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VBN acquired) (NP (DT a) (JJ net) (JJ electric) (NN charge)) (PP (IN by) (S (VP (VBG gaining) (CC or) (VBG losing) (NP (QP (CD one) (CC or) (JJR more)) (NNS electrons)))))))))))))) (. .)))
Ions An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT an) (NN atom)) (VP (VBZ gains) (CC or) (VBZ loses) (NP (DT an) (NN electron))))) (NP (PRP it)) (VP (VBZ becames) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN ion))) (. .)))