( ( For instance ) ( , ( ( when ( ( moving down ) ( the table ) ) ) ( , ( ( all ( known ( alkali metals ) ) ) ( ( show ( ( ( ( ( ( ( ( increasing ( atomic radius ) ) , ) ( decreasing electronegativity ) ) , ) ( increasing reactivity ) ) , ) and ) ( decreasing ( ( ( melting and ) boiling ) ( ( ( points ( as ( well as ) ) ) heats ) ( of ( ( fusion and ) vaporisation ) ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (PP (IN For) (NP (NN instance))) (, ,) (SBAR (WHADVP (WRB when)) (S (VP (VBG moving) (PRT (RP down)) (NP (DT the) (NN table))))) (, ,) (NP (DT all) (VBN known) (NN alkali) (NNS metals)) (VP (VBP show) (S (VP (VP (VBG increasing) (NP (JJ atomic) (NNS radius))) (, ,) (VP (VBG decreasing) (ADVP (RB electronegativity))) (, ,) (VP (VBG increasing) (NP (NN reactivity))) (, ,) (CC and) (VP (VBG decreasing) (S (VP (VBG melting) (CC and) (VBG boiling) (NP (NP (NNS points) (CONJP (RB as) (RB well) (IN as)) (NNS heats)) (PP (IN of) (NP (NN fusion) (CC and) (NN vaporisation)))))))))) (. .)))
For instance, when moving down the table, all known alkali metals show increasing atomic radius, decreasing electronegativity, increasing reactivity, and decreasing melting and boiling points as well as heats of fusion and vaporisation.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (PRP we)) (VP (VBP move) (PRT (RP down)) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (NNS elements)))) (PP (IN on) (NP (NP (DT the) (JJ periodic) (NN table)) (, ,) (NP (PRP$ their) (NN electronegativity))))))) (NP (PRP it)) (VP (VBZ decreases)) (. .)))