The first group of the Periodic Table of Elements, IA, including lithium, sodium, potassium; as well as, the lesser-known and rarer rubidiuim, cesium, and francium.

Alkali metals are not very electronegative, meaning they attract electrons very weakly.

All of the alkali metals can act as electrolytes in solution, meaning that they conduct electricity. Many of these elements are found in alkaline batteries.

Lithium in particular is found in many types of batteries and it is also an important component of several drugs used to treat mental illness.