( ( ( The element ) ( with ( ( ( six protons ) and ) ( six electrons ) ) ) ) ( ( is ( called carbon ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN element)) (PP (IN with) (NP (NP (CD six) (NNS protons)) (CC and) (NP (CD six) (NNS electrons))))) (VP (VBZ is) (VP (VBN called) (NP (NN carbon)))) (. .)))
The element with six protons and six electrons is called carbon.
(ROOT (S (NP (DT All) (NN carbon) (NNS atoms)) (VP (VBP have) (NP (CD six) (NNS protons))) (. .)))