Group I: Alkali Metals- oxidation #: +1, 1 valence electron, extremely active, extremely low ionization NRG, Xs¹
Group II: Alkaline Earth Metals- oxidation #: +2, Xs², very low ionization NRG
Group III: The Aluminum Family- oxidation #: +3, Xs²px¹, high ionization NRG
Group IV: The Carbon Family- oxidation # varies, Xs²px¹py¹, high ionization NRG
Group V: The Nitrogen Family- oxidation #: +3, -3, +5, very high ionization NRG
Group VI: The Oxygen Family- oxidation #: -2, very high ionization NRG
Group VII: The Halogens- oxidation #: -1, extremely high ionization NRG
Group VIII: The Noble Gases- oxidation #: 0, extremely stable, extremely high ionization NRG