( ( Because ( metals ( ( ( have ( few ( outermost electrons ) ) ) and ) ( tend ( to ( ( ( give them ) up ) easily ) ) ) ) ) ) ( , ( they ( ( are ( ( ( good conductors ) ( of ( ( electricity or ) heat ) ) ) ( -LRB- ( ( see conduction ) -RRB- ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Because) (S (NP (NNS metals)) (VP (VP (VBP have) (NP (JJ few) (NN outermost) (NNS electrons))) (CC and) (VP (VBP tend) (S (VP (TO to) (VP (VB give) (NP (PRP them)) (PRT (RP up)) (ADVP (RB easily))))))))) (, ,) (NP (PRP they)) (VP (VBP are) (NP (NP (JJ good) (NNS conductors)) (PP (IN of) (NP (NN electricity) (CC or) (NN heat))) (PRN (-LRB- -LRB-) (S (VP (VB see) (NP (NN conduction)))) (-RRB- -RRB-)))) (. .)))
Because metals have few outermost electrons and tend to give them up easily, they are good conductors of electricity or heat (see conduction ).
(ROOT (S (NP (NP (NNS Atoms)) (PP (IN of) (NP (NNS metals)))) (VP (VBP are) (NP (NP (JJ good) (NNS conductors)) (PP (IN of) (NP (NN electricity)))) (SBAR (IN because) (S (NP (PRP they)) (VP (VB give) (PRT (RP up)) (NP (NNS electrons)))))) (. .)))