The product aluminium iodide of the reaction
$2Al$ $+$ $3I_2$$2AlI_3$
is a ionic substance.
Write the formulas of the ions
Ions : $Al^{3+}$ et $I^-$
What are the redox half reactions
$Al$ $-$ $3e^-$$Al^{3+}$ | ............
$I_2$ $+$ $2e^-$$2I^-$ | ............
$Al$ is .............
It is a .............
$I_2$ is .............
It is an .............
Complete the vocabulary (oxidised, reduced, oxidation, reduction, oxidant, reductant)
$2AlI_3$
is a ionic substance.
Write the formulas of the ions 
Ions : $Al^{3+}$ et $I^-$