( ( ( ( ( demonstrate ( ( an understanding ) ( of ( ( the formation ) ( of ( ( ionic bonds ) ( between ( ( metals and ) non-metals ) ) ) ) ) ) ) ) , ) and ) ( ( relate ( ( the charge ) ( on ( an ion ) ) ) ) ( to ( ( the number ) ( of ( electrons ( ( lost or ) gained ) ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VB demonstrate) (NP (NP (DT an) (NN understanding)) (PP (IN of) (NP (NP (DT the) (NN formation)) (PP (IN of) (NP (NP (JJ ionic) (NNS bonds)) (PP (IN between) (NP (NNS metals) (CC and) (NNS non-metals))))))))) (, ,) (CC and) (VP (VB relate) (NP (NP (DT the) (NN charge)) (PP (IN on) (NP (DT an) (NN ion)))) (PP (TO to) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS electrons)) (VP (VBN lost) (CC or) (VBN gained)))))))) (. .)))
demonstrate an understanding of the formation of ionic bonds between metals and non-metals, and relate the charge on an ion to the number of electrons lost or gained.
(ROOT (S (NP (JJ Metallic) (NNS bonds)) (VP (VBP hold) (PRT (RP together)) (NP (NP (JJ positive) (NN metal) (NNS ions)) (CC and) (NP (PRP$ their) (JJ valence) (NNS electrons)))) (. .)))