What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.9.4.1Order of the reactivity series as• State the order of the reactivity series as: potassium, sodium, calcium, magnesium, aluminium, carbon, zinc, iron, hydrogen, copper, silver, goldSyllabus objective9.4.2Reactions of metals with• Describe reactions of metals with water/steam/acids: potassium, sodium and calcium with cold water; magnesium with steam; magnesium, zinc, iron, copper, silver and gold with dilute hydrochloric acid; link to reactivity seriesSyllabus objective9.4.3Deduce an order of reactivity from a• Deduce an order of reactivity from a given set of experimental resultsSyllabus objective9.4.4Relative reactivities of metals in• Describe relative reactivities of metals in terms of their tendency to form positive ions, by displacement reactions, if any, with the aqueous ions of magnesium, zinc, iron, copper and silverSyllabus objective9.4.5Apparent unreactivity of aluminium in• Explain the apparent unreactivity of aluminium in terms of its oxide layerSyllabus objective