( ( You ( will ( ( find that ) ( no ( matter ( what ( you do ) ) ) ) ) ) ) ( , ( it ( ( will ( be ( necessary ( to ( ( ( involve ( ( all ( 5 ( valence electrons ) ) ) ( of nitrogen ) ) ) and ) ( use ( them ( to ( ( form ( ( the ( requisite number ) ) ( of bonds ) ) ) ( to oxygen ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (NP (PRP You)) (VP (MD will) (VP (VB find) (NP (DT that)) (ADVP (DT no) (NN matter) (SBAR (WHNP (WP what)) (S (NP (PRP you)) (VP (VBP do)))))))) (, ,) (NP (PRP it)) (VP (MD will) (VP (VB be) (ADJP (JJ necessary) (S (VP (TO to) (VP (VP (VB involve) (NP (NP (DT all) (CD 5) (JJ valence) (NNS electrons)) (PP (IN of) (NP (NN nitrogen))))) (CC and) (VP (VB use) (S (NP (PRP them)) (VP (TO to) (VP (VB form) (NP (NP (DT the) (JJ requisite) (NN number)) (PP (IN of) (NP (NNS bonds)))) (PP (TO to) (NP (NN oxygen))))))))))))) (. .)))
You will find that no matter what you do, it will be necessary to involve all 5 valence electrons of nitrogen and use them to form the requisite number of bonds to oxygen.
(ROOT (S (NP (NNP Nitrogen)) (VP (VBZ has) (NP (CD 5) (JJ valence) (NNS electrons))) (. .)))