SEARCH Articles Figures Tables Amphoteric Amphoteric hydroxides Amphoteric properties Amphotericity Amphoterics Amphoterism Hydroxides properties Oxidants periodate Oxidation properties Oxide-hydroxides Oxides amphoteric Oxides and Oxide-hydroxides Oxides and hydroxides Period 3 oxides Periodate oxidation Periodic Trends in Properties Periodic trend Periodicity and trends