( ( ( An ( atom 's ) ) ( chemical properties ) ) ( ( ( are largely ) ( ( a result ) ( of ( ( THE NUMBER ) ( OF ( ELECTRONS ( IN ( THE ( OUTERMOST ( ENERGY LEVEL ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (NN atom) (POS 's)) (NN chemical) (NNS properties)) (VP (VBP are) (ADVP (RB largely)) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (NP (DT THE) (NN NUMBER)) (PP (IN OF) (NP (NP (NNS ELECTRONS)) (PP (IN IN) (NP (DT THE) (NNP OUTERMOST) (NNP ENERGY) (NNP LEVEL))))))))) (. .)))
An atom's chemical properties are largely a result of THE NUMBER OF ELECTRONS IN THE OUTERMOST ENERGY LEVEL.
(ROOT (S (NP (NNS Electrons)) (ADVP (RB always)) (VP (VBP result) (PP (IN in) (NP (NP (DT an) (NN anion)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (ADJP (JJR larger)) (PP (IN than) (NP (DT the) (NN parent) (NN atom)))))))))) (. .)))