Can someone tell me how many protons, neutrons, electrons, and valence electrons aluminum has? Also is the number of valence electrons included in the number of electrons? Like if an element has 17 electrons total, the total number of valence electrons (7) is included in that right? So for a science project, if i'm supposed to make a 3-D model of an atom and the atom i'm making has 17 electrons would i put 17 electrons on it or 24 electrons on it?Thnx!
Well as for the electrons, the valence are part of the total electrons, they are the outer electrons that can be sharedSo the total would be 13 electronsElectrons match the protons unless it is an ionAluminum has 13 Protons and 14 Neutrons and therefore must have 13 electronsAnd would have 3 valence.