Complete electron configuration for aluminum?
An atom of Al has 13 electronsTherefore has the electronic configuration: 1s^2 2s^2 2p^6 3s^2 3p^1 Noble gas configuration: [Ne] 3s^2 3p^1 or just 2,8,3Being in group 3 Al has three valance electrons and due to it being in the first group of the p-block Al has 1 valance electron in a p-orbital.
