( ( ( Molecular Formula ) ( In ( Ionic compounds ) ) ) ( , ( ( the ( empirical formula ) ) ( ( indicates ( ( the proportions ) ( of ( elements ( in ( the compound ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (NP (NNP Molecular) (NNP Formula)) (IN In) (NP (JJ Ionic) (NNS compounds))) (, ,) (NP (DT the) (JJ empirical) (NN formula)) (VP (VBZ indicates) (NP (NP (DT the) (NNS proportions)) (PP (IN of) (NP (NP (NNS elements)) (PP (IN in) (NP (DT the) (NN compound))))))) (. .)))
Molecular Formula In Ionic compounds, the empirical formula indicates the proportions of elements in the compound.
(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))))) (. .)))