( ( an ( ion deficient ) ) ( ( ( ( ( in electrons ) ( ( is positively ) charged ) ) and ) ( is ( called ( a cation ) ) ) ) . ) )
(ROOT (S (NP (DT an) (NN ion) (NN deficient)) (VP (VP (PP (IN in) (NP (NNS electrons))) (VBZ is) (ADVP (RB positively)) (VP (VBN charged))) (CC and) (VP (VBZ is) (VP (VBN called) (NP (DT a) (NN cation))))) (. .)))
an ion deficient in electrons is positively charged and is called a cation .
(ROOT (S (NP (NP (NNS Ions)) (SBAR (WHNP (WDT that)) (S (VP (VBP contain) (NP (JJR fewer) (NNS electrons)) (PP (IN than) (NP (NNS protons))))))) (VP (VP (VBP have) (NP (DT a) (JJ net) (JJ positive) (NN charge))) (CC and) (VP (VBP are) (VP (VBN called) (NP (NNS cations))))) (. .)))