( Fluorine ( ( is ( ( the ( only element ) ) ( in ( ( the ( Periodic Table ) ) ( with ( ( higher electronegativity ) ( than ( ( ( ( ( oxygen , ) ( single valence ) ) , ) and ) ( ( special affinity ) ( to silicon ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Fluorine)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN element)) (PP (IN in) (NP (NP (DT the) (NNP Periodic) (NNP Table)) (PP (IN with) (NP (NP (JJR higher) (NN electronegativity)) (PP (IN than) (NP (NP (NN oxygen)) (, ,) (NP (JJ single) (NN valence)) (, ,) (CC and) (NP (NP (JJ special) (NN affinity)) (PP (TO to) (NP (NN silicon)))))))))))) (. .)))
Fluorine is the only element in the Periodic Table with higher electronegativity than oxygen, single valence, and special affinity to silicon.
(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))))) (. .)))