( ( ( Ionic Bonds ) ( As ( we ( have seen ) ) ) ) ( , ( there ( ( is ( ( a tendency ) ( for ( atoms ( to ( ( ( ( ( lose or ) gain ) electrons ) and ) ( ( become ions ) ( ( in order ) ( to ( ( achieve ( the ( stable ( electronic configuration ) ) ) ) ( with ( ( completely filled ) ( outer ( electron shells ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (NP (JJ Ionic) (NNS Bonds)) (IN As) (S (NP (PRP we)) (VP (VBP have) (VP (VBN seen))))) (, ,) (NP (EX there)) (VP (VBZ is) (NP (NP (DT a) (NN tendency)) (PP (IN for) (NP (NNS atoms) (S (VP (TO to) (VP (VP (VB lose) (CC or) (VB gain) (NP (NNS electrons))) (CC and) (VP (VB become) (NP (NNS ions)) (SBAR (IN in) (NN order) (S (VP (TO to) (VP (VB achieve) (NP (DT the) (JJ stable) (JJ electronic) (NN configuration)) (PP (IN with) (NP (ADJP (RB completely) (JJ filled)) (JJ outer) (NN electron) (NNS shells))))))))))))))) (. .)))
Ionic Bonds As we have seen, there is a tendency for atoms to lose or gain electrons and become ions in order to achieve the stable electronic configuration with completely filled outer electron shells.
(ROOT (S (NP (DT Some) (NNS atoms)) (VP (VBP are) (ADJP (ADJP (RBR more) (JJ stable)) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VB gain) (CC or) (VB lose) (NP (DT an) (NN electron) (CC and) (NN form) (NNS ions))))))) (. .)))