Assertion: y | /r/HasProperty | expected by periodic trends
Facets:
Source sentences:
text: As expected by periodic trends, it is less electronegative than its predecessor in the group, scandium, and less electronegative than the next member of period 5, zirconium; additionally, it is more electronegative than lanthanum, but less electronegative than lutetium due to the lanthanide contraction.