The alkali metals are a series of chemical elements comprising Group 1 of the periodic table: lithium, sodium, potassium, rubidium, caesium, and francium.. The alkali metals provide one of the best examples of group trends in properties in the periodic table, with well characterized homologous behavior down the group.
alkali metal, alkaline metal (noun)
any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium)
"the hydroxides of the alkali metals are strongly alkaline"
Hypernyms
- metallic element, metal
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
- metallic element, metal
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