Chalkogener (gruppe 16)
type: Concept
broader: Gruppene 15, 16, 17, 18
notation: 546.72

Halogener (gruppe 17)
type: Concept
broader: Gruppene 15, 16, 17, 18
notation: 546.73

Norsk WebDewey
type: ConceptScheme

Gruppe 15
type: Concept
broader: Gruppene 15, 16, 17, 18
notation: 546.71

Gruppene 15, 16, 17, 18
type: Concept
class here: Ikke-metaller
created: 2010-02-04
modified: 2012-09-18
alternative label: Ikke-metaller--kjemi
broader: Uorganisk kjemi
in scheme: Norsk WebDewey
narrower: Chalkogener (gruppe 16)
narrower: Gruppe 15
narrower: Halogener (gruppe 17)
narrower: Edelgasser (gruppe 18)
notation: 546.7

Uorganisk kjemi
type: Concept
narrower: Gruppene 15, 16, 17, 18
notation: 546

Edelgasser (gruppe 18)
type: Concept
broader: Gruppene 15, 16, 17, 18
notation: 546.75