Alkali Metal Definition

noun
Any of a group of soft, white, low-density, low-melting, highly reactive metallic elements, including lithium, sodium, potassium, rubidium, cesium, and francium.
American Heritage
Any of the six highly reactive metals in group IA of the periodic table including, in increasing order of reactivity, lithium, sodium, potassium, rubidium, cesium, and francium.
Webster's New World

(inorganic chemistry) Any of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium.

Wiktionary
Synonyms:
  • alkaline metal

Other Word Forms of Alkali Metal

Noun

Singular:
alkali metal
Plural:
alkali-metals

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alkali metal