( ( Be ( able ( to ( write ( ( the ( Lewis structure ) ) ( of ( an atom ) ) ) ) ) ) ) ( , ( ( ( ( an ion ) or ) ( a molecule ) ) ( ( ( Know ( ( ( the ( octet rule ) ) and ) ( the ( duet rule ) ) ) ) ( for hydrogen ) ) . ) ) ) )
(ROOT (S (S (VP (VB Be) (ADJP (JJ able) (S (VP (TO to) (VP (VB write) (NP (NP (DT the) (NNP Lewis) (NN structure)) (PP (IN of) (NP (DT an) (NN atom)))))))))) (, ,) (NP (NP (DT an) (NN ion)) (CC or) (NP (DT a) (NN molecule))) (VP (VBD Know) (NP (NP (DT the) (JJ octet) (NN rule)) (CC and) (NP (DT the) (NN duet) (NN rule))) (PP (IN for) (NP (NN hydrogen)))) (. .)))
Be able to write the Lewis structure of an atom, an ion or a molecule Know the octet rule and the duet rule for hydrogen.
(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))))))))))))) (. .)))