( ( ( Hafnium carbide ) ( -LRB- ( HfC -RRB- ) ) ) ( ( is ( ( a ( chemical compound ) ) ( of ( ( hafnium and ) carbon ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Hafnium) (NN carbide)) (PRN (-LRB- -LRB-) (NP (NNP HfC)) (-RRB- -RRB-))) (VP (VBZ is) (NP (NP (DT a) (JJ chemical) (NN compound)) (PP (IN of) (NP (NN hafnium) (CC and) (NN carbon))))) (. .)))
Hafnium carbide (HfC) is a chemical compound of hafnium and carbon.
(ROOT (S (NP (NP (JJ Binary) (NNS compounds)) (PP (IN of) (NP (NP (NN carbon)) (PP (IN with) (NP (ADJP (RBR less) (JJ electronegative)) (NNS elements)))))) (VP (VBP are) (VP (VBN called) (NP (NNS carbides)))) (. .)))