Aluminum foil is a metal so it has the typycal properties of metals. These are the three most representative properties of metals that aluminum foil exhibit:
1) It is good conductor of electricity: this property is consequence of the metallic bond, which permits that the outermost electrons of each atom can flow through the entire network of atoms conducting the electricity.
2) Is is good conductor of heat: this other property of metals is due to transmission of vibration that is carried out between neighboring atoms.
3) it is ductile: this property means that the metals can be formed into foils.
Other properties that can be mentioned are: solid at room temperature and mallealble (can form wires)