gallium (Ga), chemical element, metal of main Group 13 (IIIa, or boron group) of the periodic table. It liquefies just above room temperature. Properties of gallium.

What type of metal is gallium?

Gallium is a post-transition metal. These are metallic elements located between the transition metals and the metalloids (non-metals) on the periodic table.

Is gallium a poor metal?

"Poor metals" is not a rigorous IUPAC-approved nomenclature, but the grouping is generally taken to include aluminium, gallium, indium, tin, thallium, lead, and bismuth. Occasionally germanium, antimony, and polonium are also included, although these are usually considered to be metalloids or "semi-metals".