Respuesta :
Aluminium is a Group III atom. Which means his valence is 3.
And the valence is always the number of electrons on the last energy level.
Which means that Aluminium have 3 electrons on its outermost energy level.
Hope this Helps :)
And the valence is always the number of electrons on the last energy level.
Which means that Aluminium have 3 electrons on its outermost energy level.
Hope this Helps :)