NOUN
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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
How To Use alkaline metal In A Sentence
- Caesium is a weakly hydrated alkaline metal with chemical similarities to potassium.
- Two oxides of the earthy alkaline metals, lime and hydrate of barytes, may also be used as accelerators. Scientific American Supplement, No. 832, December 12, 1891