Hydrogen

Hydrogen (substance)

active

Code	`2141009`
Semantic tag	substance
Module	international
Definition	primitive
Effective time	20020131

Synonyms

H - Hydrogen

Parents (1)

57795002Chemical element substance

Children (4)

91137000Deuterium substance
13523004Protium substance
89177007Proton substance
16082008Tritium substance