Group+13Hr2

= AGroup 13/Boron Group =

The elements are [|**boron**] (B), [|**aluminum**] (Al), [|**gallium**] (Ga), [|**indium**] (In), and [|**thallium**] (Tl). They are characterized as a group by having three electrons in the outermost parts of their [|**atomic structure**]. Boron, the lightest of these elements, is a nonmetal but the other members of the group are silvery-white metals.



