( ( ( ( ( Assigning ( oxidation numbers ) ) ( To ( make ( use ( of ( ( the ( last definition ) ) ( of ( ( oxidation and ) reduction ) ) ) ) ) ) ) ) requires ) ( the ( ability ( to ( ( assign ( oxidation numbers ) ) ( ( ( ( ( ( to ( ( ( atoms or ) ions ) ( of ( ( ( the elements ) , ) ( whether ( they ( are ( found ( in ( unreacted elements ) ) ) ) ) ) ) ) ) ) , ) ( in ( ionic compounds ) ) ) , ) or ) ( in ( molecular compounds ) ) ) ) ) ) ) ) . )
(ROOT (SINV (VP (VBG Assigning) (NP (NN oxidation) (NNS numbers)) (S (VP (TO To) (VP (VB make) (NP (NP (NN use)) (PP (IN of) (NP (NP (DT the) (JJ last) (NN definition)) (PP (IN of) (NP (NN oxidation) (CC and) (NN reduction)))))))))) (VP (VBZ requires)) (NP (DT the) (NN ability) (S (VP (TO to) (VP (VB assign) (NP (NN oxidation) (NNS numbers)) (PP (PP (TO to) (NP (NP (NNS atoms) (CC or) (NNS ions)) (PP (IN of) (NP (NP (DT the) (NNS elements)) (, ,) (SBAR (IN whether) (S (NP (PRP they)) (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (JJ unreacted) (NNS elements))))))))))) (, ,) (PP (IN in) (NP (JJ ionic) (NNS compounds))) (, ,) (CC or) (PP (IN in) (NP (JJ molecular) (NNS compounds)))))))) (. .)))
Assigning oxidation numbers To make use of the last definition of oxidation and reduction requires the ability to assign oxidation numbers to atoms or ions of the elements, whether they are found in unreacted elements, in ionic compounds, or in 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))))) (. .)))