( H ( ( owever ( ( ( when ( we ( get ( into ( ( harder degrees ) ( of ( writing ( ( these ( ionic reactions ) ) ( we ( have ( to ( ( put together ) ( elements ( that ( have ( different charges ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) and ) ( ( in order ) ( to ( make ( ( the compound ) ( neutral ( we ( have ( to ( ( ( balance ( the charges ) ) and ) ( change ( the subscripts ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP H)) (VP (VBP owever) (SBAR (SBAR (WHADVP (WRB when)) (S (NP (PRP we)) (VP (VBP get) (PP (IN into) (NP (NP (JJR harder) (NNS degrees)) (PP (IN of) (S (VP (VBG writing) (NP (NP (DT these) (JJ ionic) (NNS reactions)) (SBAR (S (NP (PRP we)) (VP (VBP have) (S (VP (TO to) (VP (VB put) (PRT (RP together)) (NP (NP (NNS elements)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (JJ different) (NNS charges))))))))))))))))))))) (CC and) (SBAR (IN in) (NN order) (S (VP (TO to) (VP (VB make) (S (NP (DT the) (NN compound)) (ADJP (JJ neutral)) (SBAR (S (NP (PRP we)) (VP (VBP have) (S (VP (TO to) (VP (VP (VB balance) (NP (DT the) (NNS charges))) (CC and) (VP (VB change) (NP (DT the) (NNS subscripts)))))))))))))))) (. .)))
H owever when we get into harder degrees of writing these ionic reactions we have to put together elements that have different charges and in order to make the compound neutral we have to balance the charges and change the subscripts.
(ROOT (S (NP (JJ Iconic) (NNS compounds)) (VP (VBP have) (NP (DT a) (JJ net) (JJ neutral) (NN charge))) (. .)))