This question is about Period 3 elements, their oxides, and their reactions.
Give an equation for the reaction between phosphorus and an excess of oxygen to form phosphorus(V) oxide.
Give an equation for the reaction between sulfur trioxide and water.
Give the displayed formula for the phosphate(V) anion (PO43−\text{PO}_4^{3-}PO43−) formed when phosphoric(V) acid (resulting from the reaction of phosphorus(V) oxide with water) fully dissociates.
Give an equation for the reaction of magnesium with steam. State one observation made during this reaction.
Give an equation to show how sulfur dioxide (SO2\text{SO}_2SO2) reacts with an excess of sodium hydroxide solution.
17 exam-style questions on AQA A Level Chemistry Properties of Period 3 elements and their oxides (A-level only), covering Properties of Period 3 elements and their oxides (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.