( ( ( Positively charged ) atoms ) ( ( ( ( have ( ( more protons ) ( than electrons ) ) ) and ) ( are ( called cations ) ) ) . ) )
(ROOT (S (NP (ADJP (RB Positively) (VBN charged)) (NNS atoms)) (VP (VP (VBP have) (NP (NP (JJR more) (NNS protons)) (PP (IN than) (NP (NNS electrons))))) (CC and) (VP (VBP are) (VP (VBN called) (NP (NNS cations))))) (. .)))
Positively charged atoms have more protons than electrons and are called cations .
(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))))) (. .)))