(a)[2]
Draw a diagram showing the electronic structure of a calcium atom.
(b)[2]
Fill in the boxes in the diagram to indicate the anode, cathode and electrolyte.
(c)[2]
Calcium reacts with water to produce calcium hydroxide and a gas that ‘pops’ with a lighted splint. Complete the chemical equation for this reaction.\n\n$\text{Ca} + \ldots\ldots\text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \ldots\ldots$
(d)[4]
Describe how lime (calcium oxide) is manufactured and used. Include at least one suitable word equation that relates to either the manufacture or a use of lime.