alkali metal
alkaline metal

Alkali metals are the first group in the periodic table.

Alkali metals are the chemical elements in group one of the periodic system.

Traces of rare earth and alkali metals are beneficial to the process.

It reacts more violently than the other alkali metals with water.

A photocathode usually consists of alkali metals with very low work functions.

And, like all alkali metals, it reacts extremely violently when exposed to water.

All of the discovered alkali metals excluding francium have many applications.

These devices are mostly based on alkali metals.

Lithium was chosen among other alkali metals because its fluoride is most volatile.

Potassium reacts in many chemical reactions similar to sodium and other alkali metals.