Subject transition metal
Predicate be used as
Object catalyst
Modality
Modality Occurrences
often 1
Polarity POSITIVE
Plausibility 0.9958
Neighborhood Sigma 0.9958
Local Sigma 1.0000
Example Sentences
Sentence Occurrences Source
transition metals are used as catalysts 7 Google Autocomplete, Answers.com Questions, Quora Questions
transition metals are used as catalyst 4 Google Autocomplete
transition metals are often used as a catalyst 1 Yahoo Questions