( ( a -RRB- ) ( ( have ( ( high ( thermal ( conductivity ( b -RRB- ) ) ) ) ( have ( ( high ( electrical ( conductivity ( c -RRB- ) ) ) ) ( tends ( to ( ( gain electrons ) ( ( to ( ( ( form anions ) d ) -RRB- ) ) ( ductile 16 ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (LST (LS a) (-RRB- -RRB-)) (VP (VB have) (S (NP (JJ high) (JJ thermal) (NN conductivity) (NNS b) (-RRB- -RRB-)) (VP (VB have) (S (NP (JJ high) (JJ electrical) (NN conductivity) (NNS c) (-RRB- -RRB-)) (VP (VBZ tends) (S (VP (TO to) (VP (VB gain) (NP (NNS electrons)) (PP (TO to) (PRN (NP (NP (NN form) (NNS anions)) (NP (SYM d))) (-RRB- -RRB-)) (NP (JJ ductile) (CD 16))))))))))) (. .)))
a) have high thermal conductivity b) have high electrical conductivity c) tends to gain electrons to form anions d) ductile 16.
(ROOT (S (NP (NNS Anions)) (VP (VBP are) (VP (VBN formed) (PP (IN by) (NP (NP (NNS atoms)) (VP (VBG gaining) (NP (NNS electrons))))))) (. .)))