( Water ( ( ( forms ( ( a liquid ) ( instead ( of ( a gas ) ) ) ) ) ( because ( oxygen ( ( ( is ( more ( electronegative ( than ( the ( surrounding elements ) ) ) ) ) ) , ) ( with ( ( the exception ) ( of fluorine ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Water)) (VP (VBZ forms) (NP (NP (DT a) (NN liquid)) (PP (RB instead) (IN of) (NP (DT a) (NN gas)))) (SBAR (IN because) (S (NP (NN oxygen)) (VP (VBZ is) (ADJP (RBR more) (JJ electronegative) (PP (IN than) (NP (DT the) (VBG surrounding) (NNS elements)))) (, ,) (PP (IN with) (NP (NP (DT the) (NN exception)) (PP (IN of) (NP (NN fluorine))))))))) (. .)))
Water forms a liquid instead of a gas because oxygen is more electronegative than the surrounding elements, with the exception of fluorine.
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (DT the) (JJ second) (ADJP (RBS most) (JJ electronegative)) (NN element))))) (. .)))