Energy Na 11P 11e

Energy Mg 12P 12e

Energy Al 13P 13e

Energy Si 14P 14e

Energy P 15P 15e

Energy S 16P 16e

Energy Cl 17P 17e

Energy Ar 18P 18e

Energy Na Mg Al Si P S Cl Ar

Energy Energy 2 Sub shells n=3 e shell Na Mg Al Si P S Cl Ar

Energy 2 Sub shells p sub shell n=3 e shell s sub shell Na Mg Al Si P Cl Ar

Clue to how electrons fill Energy Energy Energy Clue to how electrons fill p sub shell s sub shell Na Mg Al Si P S Cl Ar

2 Sub shells Filling of orbitals Energy Energy p sub shell s sub shell Na Mg Al Si P S Cl Ar

2 Sub shells Filling of orbitals Energy p sub shell s sub shell Na Mg Si P S Cl Ar