( ( ( electronic ( ( structure and ) bonding ) ) ( of ( the ( transition metals ) ) ) ) ; )
(ROOT (NP (NP (JJ electronic) (NN structure) (CC and) (NN bonding)) (PP (IN of) (NP (DT the) (NN transition) (NNS metals))) (: ;)))
electronic structure and bonding of the transition metals;
(ROOT (S (NP (JJ Metallic) (NNS bonds)) (VP (VBP hold) (PRT (RP together)) (NP (NP (JJ positive) (NN metal) (NNS ions)) (CC and) (NP (PRP$ their) (JJ valence) (NNS electrons)))) (. .)))