A substance that conducts electricity, is malleable, ductile, and has luster would be classified as a metal.
Explanation:
Metal can be defined as the statement above or according to its position in the periodic table. Over there they can be classified as: rare earth metals, transition metals, alkaline earth metals or alkali metals. An example of a metal is the iron.
Metals conduct electrivity and heat wonderfully. They are malleable, wich means they can be changed its shape or hammered into sheets. They are ductile too, which means they can be drawn into wires.
