(a)[1]
Explain how this equation proves that magnesium is oxidised.
(b)[2]
The reaction of magnesium with silver nitrate gives off heat. Complete the energy profile diagram for this reaction. Label reactants, products and $\Delta H$.
(c)[1]
Acidified aqueous silver nitrate is added to a solution that contains halide ions. A yellow precipitate forms. State the name of the halide ion present in the solution.
(d)[2]
Silver is a metal. Using what you know about metallic structure, explain why silver is malleable.
(e)[1]
The table shows data about the thermal decomposition of some metal carbonates. Describe how the ease of thermal decomposition changes with the position of these metals in the reactivity series.