About: group 1 element

Head noun: group
Postmodifier: 1 element

Same concepts
http://dbpedia.org/resource/Alkali_metal

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
lithium li	isap:465369628	0.592646
sodium na	isap:464079184	0.516651
sodium	isap:116626796	0.304222