( ( This diagram ) ( ( indicates ( ( ( ( the ( particular ( energy levels ) ) ) ( associated ( with ( a ( Hydrogen atom ) ) ) ) ) and ) ( ( some ( of ( the ( different transitions ) ) ) ) ( which ( ( its ( single electron ) ) ( can make ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN diagram)) (VP (VBZ indicates) (NP (NP (NP (DT the) (JJ particular) (NN energy) (NNS levels)) (VP (VBN associated) (PP (IN with) (NP (DT a) (NNP Hydrogen) (NN atom))))) (CC and) (NP (NP (DT some)) (PP (IN of) (NP (DT the) (JJ different) (NNS transitions))) (SBAR (WHNP (WDT which)) (S (NP (PRP$ its) (JJ single) (NN electron)) (VP (MD can) (VP (VB make)))))))) (. .)))
This diagram indicates the particular energy levels associated with a Hydrogen atom and some of the different transitions which its single electron can make.
(ROOT (S (NP (DT The) (NN spectrum)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (NP (JJ discrete) (NNS lines)) (VP (VBG representing) (NP (NP (NNS transitions)) (PP (IN of) (NP (NP (DT the) (NN hydrogen) (NN electron)) (PP (IN between) (NP (JJ specific) (NN energy) (NNS levels)))))) (PP (IN within) (NP (DT the) (NN atom)))))))) (. .)))