( ( 1 -RRB- ) ( ( In ( ( ( writing ( the formula ) ) or ) ( in ( naming ( the compound ) ) ) ) ) ( , ( ( the cation ) ( ( is ( ( ( ( listed first ) , ) and ) ( ( the anion ) next ) ) ) . ) ) ) ) )
(ROOT (S (LST (LS 1) (-RRB- -RRB-)) (PP (IN In) (S (VP (VP (VBG writing) (NP (DT the) (NN formula))) (CC or) (VP (ADVP (RB in)) (VBG naming) (NP (DT the) (NN compound)))))) (, ,) (NP (DT the) (NN cation)) (VP (VBZ is) (VP (VP (VBN listed) (ADVP (RB first))) (, ,) (CC and) (VP (NP (DT the) (NN anion)) (ADVP (JJ next))))) (. .)))
1) In writing the formula or in naming the compound, the cation is listed first, and the anion next.
(ROOT (S (PP (IN In) (S (VP (VBG naming) (NP (JJ ternary) (NNS compounds))))) (, ,) (NP (DT the) (NN cation)) (VP (VBZ is) (VP (VBN stated) (ADVP (RB first)))) (. .)))