( ( ionic ( , ( covalent ( and ( hydrogen bonding ) ) ) ) ) ; )
(ROOT (NP (NP (JJ ionic) (, ,) (NN covalent) (CC and) (NN hydrogen) (NN bonding)) (: ;)))
ionic, covalent and hydrogen bonding;
(ROOT (S (NP (NN Hydrogen) (NN chloride)) (VP (VBZ is) (NP (DT a) (JJ covalent) (NN compound))) (. .)))