( ( Compounds ( whose ( ( smallest ( representative samples ) ) ( are ( molecules ( with ( ( ( ( two or ) more ) nuclei ) ( from ( different elements ) ) ) ) ) ) ) ) ) ( ( are ( called ( molecular compounds ) ) ) . ) )
(ROOT (S (NP (NP (NNS Compounds)) (SBAR (WP$ whose) (S (NP (JJS smallest) (NN representative) (NNS samples)) (VP (VBP are) (NP (NP (NNS molecules)) (PP (IN with) (NP (NP (QP (CD two) (CC or) (JJR more)) (NNS nuclei)) (PP (IN from) (NP (JJ different) (NNS elements)))))))))) (VP (VBP are) (VP (VBN called) (NP (JJ molecular) (NNS compounds)))) (. .)))
Compounds whose smallest representative samples are molecules with two or more nuclei from different elements are called molecular compounds.
(ROOT (S (NP (DT A) (JJ binary) (JJ molecular) (NN compound)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (CD two) (NNS elements))))) (. .)))