( ( ( ATOM - ) ( ( The ( smallest ( unit constituent ) ) ) ( of ( ( an molecule ) ( containing ( ( ( protons ( , ( ( neutrons and ) electrons ) ) ) , ) ( ( the ( ( number and ) arrangement ) ) ( of ( which ( determine ( the element ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP ATOM)) (: -) (NP (NP (DT The) (JJS smallest) (NN unit) (NN constituent)) (PP (IN of) (NP (NP (DT an) (NN molecule)) (VP (VBG containing) (NP (NP (NNS protons) (, ,) (NNS neutrons) (CC and) (NNS electrons)) (, ,) (NP (NP (DT the) (NN number) (CC and) (NN arrangement)) (PP (IN of) (SBAR (WHNP (WDT which)) (S (VP (VBP determine) (NP (DT the) (NN element)))))))))))) (. .)))
ATOM- The smallest unit constituent of an molecule containing protons, neutrons and electrons, the number and arrangement of which determine the element.
(ROOT (S (S (VP (TO To) (VP (VB determine) (NP (NP (DT the) (JJ atomic) (NN weight)) (PP (IN of) (NP (DT an) (NN element))))))) (, ,) (NP (PRP you)) (VP (MD should) (VP (VB add) (PRT (RP up)) (NP (NNS protons) (CC and) (NNS neutrons)))) (. .)))