( ( Ionic bonds ) ( ( ( ( ( result ( from ( ( the ( complete transfer ) ) ( of ( ( ( ( one or ) more ) ( valence electrons ) ) ( from ( one atom ) ) ) ) ) ) ) ( to another ) ) , ) ( forming ( charged ( ions ( that ( ( are then ) ( ( ( held together ) ( in ( a ( crystal lattice ) ) ) ) ( by ( attractive ( electric forces ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Ionic) (NNS bonds)) (VP (VBP result) (PP (IN from) (NP (NP (DT the) (JJ complete) (NN transfer)) (PP (IN of) (NP (NP (QP (CD one) (CC or) (JJR more)) (JJ valence) (NNS electrons)) (PP (IN from) (NP (CD one) (NN atom))))))) (PP (TO to) (NP (DT another))) (, ,) (S (VP (VBG forming) (VP (VBN charged) (NP (NP (NNS ions)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADVP (RB then)) (VP (VBN held) (PRT (RP together)) (PP (IN in) (NP (DT a) (NN crystal) (NN lattice))) (PP (IN by) (NP (JJ attractive) (JJ electric) (NNS forces)))))))))))) (. .)))
Ionic bonds result from the complete transfer of one or more valence electrons from one atom to another, forming charged ions that are then held together in a crystal lattice by attractive electric forces.
(ROOT (S (NP (DT A) (JJ metallic) (NN bond)) (VP (VBZ is) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NP (NN attraction)) (PP (IN between) (NP (NP (DT a) (JJ positive) (NN metal) (NN ion)) (CC and) (NP (JJ valence) (NNS electrons)))))))) (. .)))