( ( Use ( ( the ( remaining electrons ) ) ( to ( ( ( give ( lone pairs ) ) ( to ( the ( terminal atoms ) ) ) ) ( ( in order ) ( to ( satisfy ( the ( octet rule ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Use) (S (NP (DT the) (VBG remaining) (NNS electrons)) (VP (TO to) (VP (VB give) (NP (JJ lone) (NNS pairs)) (PP (TO to) (NP (DT the) (NN terminal) (NNS atoms))) (SBAR (IN in) (NN order) (S (VP (TO to) (VP (VB satisfy) (NP (DT the) (JJ octet) (NN rule)))))))))) (. .)))
Use the remaining electrons to give lone pairs to the terminal atoms in order to satisfy the octet rule.
(ROOT (S (NP (DT The) (NN octet) (NN rule)) (VP (VP (VBZ is) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (NP (NNS trends)) (PP (IN in) (NP (NNS energies))))))) (CC and) (VP (VBZ is) (ADJP (JJ useful) (PP (IN in) (S (VP (VBG explaining) (SBAR (WHADVP (WRB why)) (S (NP (NNS atoms)) (VP (VBP form) (NP (DT the) (NNS ions)) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP do))))))))))))) (. .)))