Group.1 Access

: They are highly reactive, soft enough to be cut with a knife, and have low densities (lithium, sodium, and potassium can float on water).

: Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr). group.1

In the United Kingdom, driving licenses are divided into groups based on the type of vehicle you are permitted to operate. General information: assessing fitness to drive - GOV.UK : They are highly reactive, soft enough to