( This ( ( is ( due ( to ( ( ( the ( different ( molecular bond ) ) ) , ) ( called ( ( a ( covalent bond ) ) ( that ( ( binds ( these atoms ) ) ( to ( one another ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (ADJP (JJ due) (PP (TO to) (NP (NP (DT the) (JJ different) (JJ molecular) (NN bond)) (, ,) (VP (VBN called) (NP (NP (DT a) (JJ covalent) (NN bond)) (SBAR (WHNP (WDT that)) (S (VP (VBZ binds) (NP (DT these) (NNS atoms)) (PP (TO to) (NP (CD one) (DT another)))))))))))) (. .)))
This is due to the different molecular bond, called a covalent bond that binds these atoms to one 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))))))))) (. .)))