( ( ( Contrast ( this visualization ) ) ( with ( that ( of ( ( nonionic substances ) ( -LRB- ( ( ( elements and ) ( molecular compounds ) ) -RRB- ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Contrast) (NP (DT this) (NN visualization)) (PP (IN with) (NP (NP (DT that)) (PP (IN of) (NP (NP (JJ nonionic) (NNS substances)) (PRN (-LRB- -LRB-) (NP (NP (NNS elements)) (CC and) (NP (JJ molecular) (NNS compounds))) (-RRB- -RRB-))))))) (. .)))
Contrast this visualization with that of nonionic substances (elements and 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))))) (. .)))