( ( ( ( ( ( The electrons ) ( in ( the ( molecular orbital ) ) ) ) ( are unbounded ) ) and ) ( they ( behave ( like ( ( the ( conduction electrons ) ) ( in ( a metal ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NNS electrons)) (PP (IN in) (NP (DT the) (JJ molecular) (NN orbital)))) (VP (VBP are) (VP (VBN unbounded)))) (CC and) (S (NP (PRP they)) (VP (VB behave) (PP (IN like) (NP (NP (DT the) (NN conduction) (NNS electrons)) (PP (IN in) (NP (DT a) (NN metal))))))) (. .)))
The electrons in the molecular orbital are unbounded and they behave like the conduction electrons in a metal.
(ROOT (S (NP (DT The) (NN orbital)) (VP (VBZ is) (NP (NP (DT the) (NN area)) (SBAR (WHADVP (WRB where)) (S (NP (DT an) (NN electron)) (VP (VBZ is) (ADJP (RBS most) (JJ likely) (S (VP (TO to) (VP (VB be) (VP (VBN found))))))))))) (. .)))