Concept: element of group I (alkaline) in the concept vocabulary

Concept URI	http://www.eionet.europa.eu/gemet/concept/2636
Preferred label	element of group I (alkaline)
Definition	Any of the monovalent metals lithium, sodium, potassium, rubidium, caesium, and francium, belonging to group 1A of the periodic table. They are all very reactive and electropositive.
Notation
Status	Valid
Status Modified	2013-12-05
Accepted Date	2013-12-05
Not Accepted Date
Has broader	2643 (chemical element) in gemet2/concept
Has narrower	1103 (caesium) in gemet2/concept 4103 (hydrogen) in gemet2/concept
Has related match	http://dbpedia.org/resource/Alkali_metal
Has close match	http://data.uba.de/umt/_00651221
Source	CED (Collins English Dictionary) in gemet2/source