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химический элемент группы I
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[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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element of group I (alkaline)
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. (Source: CED)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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EN
- element of group I (alkaline)
DE
- Elemente der Gruppe I (Alkalimetalle)
FR
- éléments du groupe I (alcalins)
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