( ( Formulas ( of ( Ionic ( Compounds ( Cation ( Anions ( Examples X ) ) ) ) ) ) ) - )
(ROOT (NP (NP (NNS Formulas)) (PP (IN of) (NP (NNP Ionic) (NNP Compounds) (NNP Cation) (NNP Anions) (NNP Examples) (NNP X))) (: -)))
Formulas of Ionic Compounds Cation Anions Examples X -
(ROOT (S (SBAR (WHADVP (WRB When)) (S (VP (VBG naming) (NP (DT an) (JJ ionic) (NN compound))))) (, ,) (NP (DT the) (NN cation)) (VP (VBZ is) (VP (VBN written) (ADVP (RB first)))) (. .)))
When naming an ionic compound, the cation is written first.