( ( Molecular Structures ) ( ( Covers ( ( ( ( ( ( ( ( Lewis structures ) , ) ( the ( octet rules ) ) ) , ) ( exception ( to ( the ( octet rule ) ) ) ) ) , ) and ) ( bond energy ) ) ) . ) )
(ROOT (S (NP (NNP Molecular) (NNP Structures)) (VP (VBZ Covers) (NP (NP (NP (NNP Lewis) (NNS structures)) (, ,) (NP (DT the) (JJ octet) (NNS rules))) (, ,) (NP (NP (NN exception)) (PP (TO to) (NP (DT the) (JJ octet) (NN rule)))) (, ,) (CC and) (NP (NN bond) (NN energy)))) (. .)))
Molecular Structures Covers Lewis structures, the octet rules, exception to the octet rule, and bond energy.
(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))))))))))))) (. .)))