AQA Jun 2016 Paper 2 Q1

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section a answer all questions in the spaces provided do not write outside the box a this question is about the group metals and their compounds explain why the first ionisation energy of barium is less than the first ionisation energy of calcium marks b magnesium reacts readily with steam state two observations you would make when magnesium reacts with steam write an equation for the reaction marks observation observation equation wmp jun chem do not write outside the box c explain why different observations are made when aqueous barium chloride is added separately to aqueous magnesium sulfate and to aqueous magnesium nitrate write the simplest ionic equation including state symbols for any reaction that occurs marks explanation equation turn over for the next question turn over wmp jun chem

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