Alkaline Metal (Noun)
Meaning
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".
Classification
Nouns denoting substances.
Examples
- The group 1 elements, also known as the alkali metals, are highly reactive and readily lose one electron.
- The alkali metal cesium has a very low melting point and a silvery-gold color.
- Lithium is the lightest of the alkali metals, used in rechargeable batteries for its ability to retain a charge.
- The reactivity of the alkali metals, increases down the group from lithium, sodium and potassium to rubidium and cesium.
- These reactive properties make the alkali metals useful in catalysts and highly reactive with water.