(a(i))[2]
Give two further ways in which the physical properties of copper are different from those of sodium.
(a(ii))[1]
Give one use for copper.
(b(i))[2]
Label the diagram to indicate: • the anode • the electrolyte.
(b(ii))[2]
Describe what is observed during this electroplating at the steel spoon and at the copper rod.
(c)[2]
State how many electrons there are and how many neutrons there are.
(d)[2]
Complete the table in order to calculate the relative molecular mass of $\text{K}_2\text{CuF}_4$.
(e)[2]
Put the four metals in order of reactivity, with the least reactive metal first.