( ( The ( metallic bond ) ) ( ( accounts ( for ( ( the ( ( ( physical and ) chemical ) properties ) ) ( of metals ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ metallic) (NN bond)) (VP (VBZ accounts) (PP (IN for) (NP (NP (DT the) (ADJP (NN physical) (CC and) (NN chemical)) (NNS properties)) (PP (IN of) (NP (NNS metals)))))) (. .)))
The metallic bond accounts for the physical and chemical properties of metals.
(ROOT (S (NP (DT The) (JJ metallic) (NN bond)) (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (NNS properties)) (PP (IN of) (NP (NNS metals))))))) (. .)))