Subject	periodic trend
Predicate	illustrate
Object	change in chemistry
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9340
Neighborhood Sigma	0.9356
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source periodic trends illustrate stability and change in chemistry 2 Google Autocomplete, Answers.com Questions periodic trends illustrate stability and change in chemistry answers.com 1 Google Autocomplete