( Ceramics ( usually ( ( have ( ( ( ( ( ( a combination ) ( of ( ( stronger bonds ) ( called ionic ) ) ) ) ( -LRB- ( ( ( ( occurs ( between ( a ( ( metal and ) nonmetal ) ) ) ) and ) ( involves ( ( ( the attraction ) ( of ( opposite charges ) ) ) ( when ( electrons ( are ( ( transferred ( from ( the metal ) ) ) ( to ( the nonmetal ) ) ) ) ) ) ) ) ) -RRB- ) ) ) ; ) and ) ( covalent ( -LRB- ( ( ( ( occurs ( between ( two nonmetals ) ) ) and ) ( involves ( sharing ( of atoms ) ) ) ) -RRB- ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNPS Ceramics)) (ADVP (RB usually)) (VP (VBP have) (NP (NP (NP (NP (DT a) (NN combination)) (PP (IN of) (NP (NP (JJR stronger) (NNS bonds)) (VP (VBN called) (S (ADJP (JJ ionic))))))) (PRN (-LRB- -LRB-) (S (VP (VP (VBZ occurs) (PP (IN between) (NP (DT a) (NN metal) (CC and) (NN nonmetal)))) (CC and) (VP (VBZ involves) (NP (NP (DT the) (NN attraction)) (PP (IN of) (NP (JJ opposite) (NNS charges))) (SBAR (WHADVP (WRB when)) (S (NP (NNS electrons)) (VP (VBP are) (VP (VBN transferred) (PP (IN from) (NP (DT the) (NN metal))) (PP (TO to) (NP (DT the) (NN nonmetal))))))))))) (-RRB- -RRB-))) (: ;) (CC and) (NP (NP (NN covalent)) (PRN (-LRB- -LRB-) (S (VP (VP (VBZ occurs) (PP (IN between) (NP (CD two) (NNS nonmetals)))) (CC and) (VP (VBZ involves) (NP (NP (NN sharing)) (PP (IN of) (NP (NNS atoms))))))) (-RRB- -RRB-))))) (. .)))
Ceramics usually have a combination of stronger bonds called ionic (occurs between a metal and nonmetal and involves the attraction of opposite charges when electrons are transferred from the metal to the nonmetal); and covalent (occurs between two nonmetals and involves sharing of atoms).
(ROOT (S (NP (NNS Nonmetals)) (VP (VBP have) (NP (NP (DT the) (JJS highest) (NN attraction)) (PP (IN for) (NP (NNS electrons))))) (. .)))