Subject	ionization energy
Predicate	vary
Object	down the group
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8181
Neighborhood Sigma	0.8700
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source ionization energy vary down the group and across a period 1 Google Autocomplete ionization energy vary down the group 1 Google Autocomplete