Subject	ionization energy
Predicate	change down
Object	a group
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8681
Neighborhood Sigma	0.9233
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source ionization energy change down a group 4 Google Autocomplete ionization energy change across a period and down a group 2 Google Autocomplete