ENVIRONMENT
- dúil i ngrúpa I Tagairt an Ghníomhaireacht Eorpach Comhshaoil (GEC)
- ga
- element of group I (alkaline)
- en
- Sainmhíniú 1.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. Tagairt 1.CED;