( ( ( A type ) ( of bond ) ) ( ( formed ( when ( ( ( the ( ( partially positive ) ( hydrogen atom ) ) ) ( of ( ( a ( polar ( covalent bond ) ) ) ( in ( one molecule ) ) ) ) ) ( is ( attracted ( to ( ( the ( ( partially negative ) atom ) ) ( of ( ( a ( polar ( covalent bond ) ) ) ( in another ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN type)) (PP (IN of) (NP (NN bond)))) (VP (VBD formed) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT the) (ADJP (RB partially) (JJ positive)) (NN hydrogen) (NN atom)) (PP (IN of) (NP (NP (DT a) (JJ polar) (NN covalent) (NN bond)) (PP (IN in) (NP (CD one) (NN molecule)))))) (VP (VBZ is) (VP (VBN attracted) (PP (TO to) (NP (NP (DT the) (ADJP (RB partially) (JJ negative)) (NN atom)) (PP (IN of) (NP (NP (DT a) (JJ polar) (NN covalent) (NN bond)) (PP (IN in) (NP (DT another)))))))))))) (. .)))
A type of bond formed when the partially positive hydrogen atom of a polar covalent bond in one molecule is attracted to the partially negative atom of a polar covalent bond in another.
(ROOT (S (NP (DT A) (NN covalent) (NN network)) (ADVP (RB solid)) (VP (VBZ is) (NP (NP (DT a) (NN compound)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (DT all)) (PP (IN of) (NP (DT the) (NNS atoms)))) (VP (VBP are) (VP (VBN connected) (PP (TO to) (NP (CD one) (DT another))) (PP (IN by) (NP (JJ covalent) (NNS bonds))))))))) (. .)))